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  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .3mm.
    K170510stemApan1.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .2mm.
    K170512stemC027A.jpg
  • Scanning Electron Micrograph (SEM) of the root cap of a corn plant. The root tip has only grown for a few days. Magnification: 270x.
    K14-SEM-cornroot-tip001.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .2mm.
    K170512stemC027B.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .3mm.
    K170510stemApan1C.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .3mm.
    K170510stemApan1B.jpg
  • An X-Ray of a tulip flower.
    K19X-parrot-tulip06A.jpg
  • An X-Ray of a tulip flower.
    K19X-parrot-tulip06C.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, 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
  • 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
  • The underside of a new cannabis leaf imaged with a scanning electron microscope (SEM). Width of the image is 8 mm.
    K170509M081full-PAN2.jpg
  • The top side of a new cannabis leaf imaged with a scanning electron microscope (SEM). Width of the image is 4 mm.
    K17SEM_leaf10C.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 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
  • Scanning Electron Micrograph (SEM) of pumpkin skin(Cucurbita sp.). Magnification was 100x and the field of view of this image is 2mm wide. The stalked structures are trichomes (leaf hairs) on the under side of the pumpkin leaf.
    K170918pumpkin-bottomSEM17panC.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-0F.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-comp1B.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-05C..jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-03D3.jpg
  • Tulips, colored X-ray.
    K15Xtulips-on-white202B.jpg
  • Tulips, colored X-ray.
    K15Xgiant-tulips02C.jpg
  • False color x-ray of Calla Lily (Zantedeschia aethiopica).
    K15XCallaLily6A.jpg
  • False color x-ray of Calla Lily (Zantedeschia aethiopica).
    K15XCallaLily05A.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy04A.jpg
  • Flase color x-ray of a palm leaf collected in Texas. Leaf of a California fan palm (Washingtonia filifera), showing the many green fronds. This palm is native to the desert oases of California and Arizona, in the USA. It will easily reach over 15 meters in height when well-watered, growing over 30 centimeters per year.
    K15X-palmleaf24-Close.jpg
  • Flase color x-ray of a palm leaf collected in Texas. Leaf of a California fan palm (Washingtonia filifera), showing the many green fronds. This palm is native to the desert oases of California and Arizona, in the USA. It will easily reach over 15 meters in height when well-watered, growing over 30 centimeters per year.
    K15X-palmleaf24A.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp02C.jpg
  • X-ray Cockscombs Fower Cockscombs (Celosia sp.)
    K15X-CockscombsFower01A.jpg
  • X-ray of Anthurium Flower. Anthurium bouquet (Anthurium andraeanum)
    K15X-Anthuriumbouquet03E.jpg
  • X-ray of Anthurium Flower. Anthurium bouquet (Anthurium andraeanum)
    K15X-Anthuriumbouquet03A.jpg
  • Bacteria on the surface of a hop leaf.  This bacteria is unidentified. This image was collected at 12,230 and represents a field of view of 10um in the horizontal direction. The vine (Humuluslupulus) grows throughout Europe and the Americas.  Hops is extensively cultivated for the production of beer. Preparations of its flowers are used in herbal medicine to aid digestion and to relieve fever.
    K15Sem-hopsleaf022B.jpg
  • X-ray of Pacific Mistletoe (Phoradendron villosum) collected in California, USA Mistletoe is a partial parasite. It bears evergreen leaves that carry out some photosynthesis of their own, while it relies on the host plant mainly for mineral nutrients from the ground.
    K14X-mistlletoe-1C.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the bottom surface of a cannabis (Cannabis sativa) plant.  Magnification is 90x when printed 10 cm wide.
    K14SEM-canna-29B.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the bottom surface of a cannabis (Cannabis sativa) plant.  Magnification is 90x when printed 10 cm wide.
    K14SEM-canna-29.jpg
  • Trichomes on a Rosemary leaf, chemically stained to show detail. Magnification was 40X on the 35mm sensor.
    K14-rosemarry30.jpg
  • Colored-enhanced scanning electron micrograph (SEM) of a section through a xylem vessel in a cannabis stem. The xylem transports water and mineral nutrients from the roots throughout the plant. The walls of the xylem vessels are strengthened with lignin  loops, a woody substance that helps to support the plant. Magnification: x2200 when printed at 10 centimeters wide.
    K13SEM-canna67.jpg
  • X-ray of daffodil flowers (Narcissus).
    K15Xdaff-batch1.jpg
  • X-ray of bleeding heart flowers (Dicentra formosa). False color x-ray.
    K14X-bleedingheartcolorW.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
  • X-Ray of the  Hybrid hyacinth (Hyacinthus sp.) .
    K11X-hyacinth01.jpg
  • An x-ray of a cocoa pod.   The cocoa pod (Theobroma cacao)..This image shows the placement of the seeds inside the pod.  This particular pod does not have as  many seeds as it should to be part of a high yield harvest.  The seeds are used for the production of chocolate.
    K12x-cocoapodA.jpg
  • An X-ray of a bouquet with tulipss .  This low energy x-ray shows the interior structure of the flowers.
    K08flower-cropA.jpg
  • An X-Ray of three fancy daffodils.
    daff-3fancy8x10.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
  • The pollen from a male cannabis plant is nestled into the female stigma and is in the process of transferring genetic material to the female to create a seed.  The pollen is 20 um in diameter. A single grain of pollen is too small to see with the human eye. The pollen is scattered by air current to pollenate the female plant.
    K170525-D027panA.jpg
  • The stigma of Cannabis sativa. The stigma is the structure on the female flower that catches the male pollen. The sexual transfer of genetic materials is critical for creating seeds.  This Scanning Electron Microscope image (SEM) has false color applied. The stigma is 1 mm in diameter in this image.
    K170524H072A.jpg
  • Scanning Electron Micrograph (SEM) of a grain of pollen from Cannabis sativa plant. The pollen is 20 um in diameter and is scattered by air currents.  The pollen of the cannabis plant is almost identical to the hops plant, a close relative.
    K170524CPDpollen010A.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
  • False color Scanning Electron Micrograph (SEM) of the underside of a new marijuana leaf (Cannabis sativa). The plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The filed of view in this image is 4 mm wide.
    K170509cryotest-zhp-alcuE0.jpg
  • A scanning electron microscope image of the stem of a young cannabis (Cannabis sativa) plant. The thorn-like trichomes use a physical defense to keep insects and animals from eating the plant. The stem is 1.5 mm diameter in this image.
    K170429-5day064C.jpg
  • A cannabis seedling showing the first set of true leaves. Imaged with a scanning electron microscope (SEM). False color has been applied. The marijuana plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The filed of view in this image is 4 mm wide.
    K170428-4dayPA003A.jpg
  • The top side of a new cannabis leaf imaged with a scanning electron microscope (SEM). Width of the image is 4 mm.
    K17SEM_leaf10A.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.
    170614leafH046pan2.jpg
  • An SEM image of a bract leaf that extends from the center of a cannabis bud. This type of leaf has high concentrations of the glandular trichomes that produce THC. Width of the leaf is 4 mm.
    170614leafE029pan2.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-bladeH043pan1.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 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.
    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.
    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.
    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.
    170609BractA002pantk2.jpg
  • Scanning Electron Micrograph (SEM) of pumpkin skin(Cucurbita sp.). Magnification was 100x and the field of view of this image is 2mm wide. The stalked structures are trichomes (leaf hairs) on the under side of the pumpkin leaf.
    K170918pumpkin-bottomSEM17panb.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-comp2.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-003A3.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-001B.jpg
  • False color X-ray of a Gerber daisy (Gerbera sp).
    K15X-freakdaisy-001.jpg
  • A false color X-ray of a fern.
    K15Xfern01D.jpg
  • X-ray Hops plant. Hop flowers on the vine (Humuluslupulus). This plant grows throughout Europe and the Americas.  Hops is extensively cultivated for the production of beer. Preparations of its flowers are used in herbal medicine to aid digestion and to relieve fever.
    K15X-hops-comp01C.jpg
  • False color X-ray of Hellebore (Helleborus orientalis) flowers.
    K15x-Hellebore03B.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp02A.jpg
  • X-ray of Anthurium Flower. Anthurium bouquet (Anthurium andraeanum)
    K15X-Anthuriumbouquet03D.jpg
  • Unidentified freshwater bacteria collected from pond water. The red structure is a freshwater diatom. The horizontal field of view is 15 um.
    K15SEM-pondbacteria024.jpg
  • A false color SEM image of a Calcium oxalate crystal.  Even a small dose of calcium oxalate is enough to cause intense sensations of burning in the mouth and throat.  Commonly found in popular houseplants, such as Dumbcane, the crystals effects or symptoms may last for a week or more, making calcium oxalate crystals a non-desirable ingredient in medicinal cannabis.  It is surprising that calcium oxalate is rarely discussed in literature about medical marijuana (cannabis).  There crystals are fairly common in plants, as they make it hard for grazing animals to eat the plant. Image is 20 um wide.
    K13SEM-pot-oxalate01A.jpg
  • Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant.  Magnification is 180x when printed 10 cm wide.
    K13SEM-pot-multiBSE-001canna-14.jpg
  • Surface of  a mature cannabis stem. The image is 6mm wide.  The different layers of the stem have been given different colors.  The layer that is several cells below the skin is the section of thick-walled fiber cells.  This highlights one potential uses of cannabis: an excellent source of fibers for paper, rope, and fabric.  The legalizing of cannabis in the United States opens research in this very profitable aspect of the plant. Field of view of this image is 2 mm.
    K13SEM-pot-canna52.jpg
  • A cross section of a mature stem.   The different layers of the stem have been given different colors.  The layer that is several cells below the skin is the section of thick-walled fiber cells.  This highlights one potential uses of cannabis: an excellent source of fibers for paper, rope, and fabric.  The legalizing of cannabis in the United States opens research in this very profitable aspect of the plant. Field of vie of this image is 1 mm.
    K13SEM-pot-canna51.jpg
  • An X-ray of a Passion flower (Passiflora sp.) This tropical climber is grown throughout the world for its ornamental value.
    K15X-Passion2_Vine_Above_White.jpg
  • An X-ray of a Passion flower (Passiflora sp.) This tropical climber is grown throughout the world for its ornamental value.
    K15XPassion_Vine_Side2.jpg
  • Transverse section of Stinking Hellebore (Helleborus foetidus).  A poisonous plant.  Light micrograph of a section through a stem.  The magnification is 200 times when printed 10 inches wide.
    K07Stinking200x03.tif
  • Transverse section of Stinking Hellebore (Helleborus foetidus).  A poisonous plant.  Light micrograph of a section through a stem.  The magnification is 32 times when printed 10 inches wide.
    K07Stinking32x.tif
  • Transverse section of a King Solomon's-seal (Polygonatum muliiflorum) stem. Polygonatum (King Solomon's-seal, Solomon's Seal) is a genus of about 50 species of flowering plants within the family Ruscaceae, formerly classified in the lily family Liliaceae.  Light micrograph of a section through a  stem.  The magnification is 200 times when printed 10 inches wide.
    K07KingSolomon200x05.tif
  • Transverse section stem of Ivy (Hedera) a dicotyledon.  Light micrograph of a section through an ivy stem.  The magnification is 600 times when printed 10 inches wide.
    K07ivy-stem600x5.tif
  • Butchers Broom (box holly) Ruscus aculeatus. Butcher's broom is an aromatic, diuretic, mildly laxative herb that reduces inflammation and constricts the veins.  The plant is considered a medicinal herb since medieval times.  Magnifation is 32 times when printed 10 inches wide.
    K07butchers-broom.tif
  • X-Ray of the  Hybrid hyacinth (Hyacinthus sp.) .
    K11X-hyacinthCU3.jpg
  • X-Ray of the  Hybrid hyacinth (Hyacinthus sp.) .
    K11X-hyacinthCU2.jpg
  • Jack-in-the-pulpit X-ray (Arisaema triphyllum) is a common perennial found in swamps and rich, moist woods of eastern North America. The American Indians used this plant medicinally for a large variety of ailments.
    K11-xjackpulp3.jpg
  • A scanning electron microscope image of the bottom of a sunflower leaf (Helianthus sp.). Trichomes are structures that grow out from the epidermis, and can have several functions, including protecting the leaf from insects..
    K08SEMsunflower016.jpg
  • Sacred lotus flower. This lotus (Nelumbo nucifera) is a member of the water lily family, but is unusual in producing leaves which are held above the water. The flower lasts for only one day, and the seeds may germinate after remaining dormant for many years. The plant is regarded as sacred in India and China because Buddha is supposed to have been born in the heart of a lotus.
    plotus2_00008.jpg
  • Scanning electron microscope image of a staghorn fern leaf (Platycerium holtummii)  magnified 76x.  Staghorn ferns are epiphytic perennials or "air" plants. Staghorns are native to jungles in Africa and Asia .
    K08-semFERN1.jpg
  • A scanning electron microscope image of the leaf of the lavender plant (Lavandula augustifolia ).  The branching cells give added protection from insects.  The pillow shaped structure produces the aromatic sent that gives lavender it characteristic smell.
    K07semLAV4layors.jpg
  • A seed pod of the thorn apple (Datura stramonium). The specimen was illuminated with white light to compare it with the shortwave ultraviolet light (UV) image in this series. This image is part of a series
    K20-UVIVF_4400.jpg
  • An X-Ray of a tulip flower.
    K19X-parrot-tulip08D.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
  • 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
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