Marijuana Stem Section, SEM

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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.
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.
Filename: K13SEM-canna67.jpg
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