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  • Scanning Electron Micrograph (SEM) of a sample if ice water hash or hashish. Shown in the image is a pile of glandular trichomes that have been concentrated in a unique process. Leaves with very high concentrations of stalked glandular trichomes are cooled in ice water then agitated. The agitation breaks off the trichomes, which in turn sink, to the bottom of the water.  Once separated from the water and dried, the ice water hash has some of the highest concentrations of THC of any physical separation process.  Since the stalked glandular trichomes are the location of the highest concentration of THC this technique in recent years has become very popular. The marijuana (Cannabis sativa) plant contains tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells in this sample are 60 um in diameter.
    K170403hashish01.jpg
  • Rare double glandular trichome. Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leaf-FREEK-B004pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractA002pantk2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leafF035pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeH043pan1.jpg
  • Rare double glandular trichome. Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613FreakB010B.jpg
  • Rare double glandular trichome. Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leaf-FREEK-B004pan.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractM046pan.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractK035pan3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    K170614leafC016pan03.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609bractB008PANtk.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractN053PANtk2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractM046pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeH043pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeA002pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractK035pan.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609bractC013pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeA002pan.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractE019pan.jpg
  • Rare double glandular trichome. Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leaf-FREEK-B004pan3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609bractC013pan3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609bractB008PANtk3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    K170614leafC016pan01.jpg
  • Rare double glandular trichome. Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613FreakB010.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    K170614leafC016pan02.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeA002pan3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609bractC013pan1.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leafF035pan1.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeE028pan1.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeE028pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractN053PANtk3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractN053PANtk1.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractE019pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609bractB008PANtk2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170613cola-bladeH043pan3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractK035pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractA002pantk2B.jpg
  • Close up of a leaf on the bud of a cannabis plant. The trichomes on the bud of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes have glands at the sop that store THC. Tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The width of the ball like structures is 90 um, or about the width of a human hair.
    K18op-cannabisbud100915A.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 52X when printed 10 cm wide.
    170613cola-bladeK048pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 52X when printed 10 cm wide.
    170613cola-bladeK048pan1.jpg
  • Fluorescent light is used to image the bud of a cannabis plant. The trichomes on the bud of a cannabis (Cannabis sativa) plant are full of Tetrahydrocannabinol (THC)and glow green. The chlorophyll filled cells of the leaf glow red. The width of the green trichome heads is 90 um, or about the width of a human hair. This is an example of a plant that is past harvest time as the THC laden trichome heads have started to shrivel.
    K18glow-cannabisbud17-10ZSA.jpg
  • Scanning Electron Microscope (SEM) image of the base of a marijuana (Cannabis sativa) female flower bud, showing cells called trichomes. These thorn-like trichomes are used to protect the flower bud from insect attack. The field of view of this image is 2 mm in the horizontal direction.
    K170327cannabis02.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 52X when printed 10 cm wide.
    170613cola-bladeK048pan3.jpg
  • Fluorescent light is used to image the bud of a cannabis plant. The trichomes on the bud of a cannabis (Cannabis sativa) plant are full of Tetrahydrocannabinol (THC)and glow green. The chlorophyll filled cells of the leaf glow red. The width of the green trichome heads is 90 um, or about the width of a human hair. This is an example of a plant that is past harvest time as the THC laden trichome heads have started to shrivel.
    K18glow-cannabisCS-442A.jpg
  • Fluorescent light is used to image the bud of a cannabis plant. The trichomes on the bud of a cannabis (Cannabis sativa) plant are full of Tetrahydrocannabinol (THC)and glow green. The chlorophyll filled cells of the leaf glow red. The width of the green trichome heads is 90 um
    K18glow-cannabisbud1710110903A.jpg
  • Close up of the leaf of a cannabis plant. The trichomes on the bud of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes. These stalked trichomes have glands at the sop that store THC. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  The width of the ball like structure is 90 um, or about the width of a human hair.
    K18optical-trichomeCanna2017-10-10A.jpg
  • Close up of the leaf of a cannabis plant. The trichomes on the bud of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes. These stalked trichomes have glands at the sop that store THC. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  The width of the ball like structure is 90 um, or about the width of a human hair.
    K18optical-canna-bud20171011A.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractD011pantk.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leafH046pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leafH046pan3jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. Thise is a low glandular trichomes that is close to the surface of the leaf. It secretes a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 20 um in diameter.
    K170510stem058thric.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170614leafH046pan.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractD011pantk3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
    170609BractD011pantk2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The head o fthe trichome is 60 um in diameter.
    K170607stemE038A-pan.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These trichomes are on teh surface of the leaf. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The circular cell structure a tthe center of the frame is 40 um in diameter.
    K170524CPD-triCN101mix.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170524CPD-B-M094panA.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517-A021panC.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant bud.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-A01color-CSB.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 100x when printed 10 cm wide.
    K14SEM-canna-44.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image. The filed of view of this image is 3 mm wide.
    K170609bractF028panA.jpg
  • A scanning electron microscope image of the stem of a cannabis (Cannabis sativa) plant. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170607stemC010panB.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-H062panB.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-canna-37.jpg
  • A scanning electron microscope image of the stem of a cannabis (Cannabis sativa) plant. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170607stemC010pan.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant bud.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-A04A.jpg
  • A scanning electron microscope image of the stem of a cannabis (Cannabis sativa) plant. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170607stemA005pan.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-k070panA1C.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-k070panA1A.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-k070panA1B.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. The filed of view in this image is 4 mm wide. This flower has been pollinated and is startign to develop a seed.
    K170609BractP066panB.jpg
  • A scanning electron microscope image of the stem of a cannabis (Cannabis sativa) plant. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170607stemA005panB.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170524CPD-B-M094panC.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-H062panA.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-C035B.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-H062panC.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. The filed of view in this image is 4 mm wide. This flower has been pollinated and is startign to develop a seed.
    K170609BractP066panA.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image. The filed of view of this image is 3 mm wide.
    K170609bractF028panB.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170524CPD-B-M094panB.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517-A021panB.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517-A021panA.jpg
  • A scanning electron microscope image of the football shaped bract of the female  cannabis (Cannabis sativa) flower. The oval bract structure houses the stigma and is responsible for producing seeds when the flower has been pollinated. This bract structure is also the location of the highest concentration of cannabinoid compounds on the plant.  This site is also the location of the highest concentration of THC. There are a number of different types of cell structures called trichomes in this image. The thorn-like trichomes use a physical defense while the circular glandular trichomes use chemical defense. Combined, these defenses keep insects and animals from eating the plant. Each circular glandular trichome is 50 um in diameter in this image.
    K170517bud-C035A.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 90x when printed 10 cm wide.
    K14SEM-canna-46B.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-multiBSE-001.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant bud.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-A01color-CSA.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 90x when printed 10 cm wide.
    K14SEM-canna-46.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 52x when printed 10 cm wide.
    K13SEM-canna-43.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 120x when printed 10 cm wide.
    K13SEM-canna-45.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant bud.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-A04C.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 100x when printed 10 cm wide.
    K13SEM-canna-42.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant bud.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-A01color-CSC.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant bud.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-A04B.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 52X when printed 10 cm wide.
    170614leafG043pan2.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 52X when printed 10 cm wide.
    170613gland-triF031pan3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 52X when printed 10 cm wide.
    170613cola-bladeC015pan1.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 252X when printed 10 cm wide.
    K170512bottom1.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is x35 when printed 10 cm wide.
    K14SEMcannabis-cover3.jpg
  • Color-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. Magnification: 252X when printed 10 cm wide.
    K170512bottom1B.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 450x when printed 10 cm wide.
    K13SEM-canna39.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug.  Magnification is 180x when printed 10 cm wide.
    K13SEM-cannabis40.jpg
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