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Trichomes are hairs or other fine outgrowths of epidermal cells

Trichomes are hairs or other fine outgrowths of epidermal cells
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Description: Glandular trichomes such as the ones on this marijuana leaf secrete substances that deter herbivory. Marijuana trichomes secrete a chemical (tetrahydrocannabino l, or THC), that has a psychoactive effect in humans.
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Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47938
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