trichome
(noun)
a hair- or scale-like extension of the epidermis of a plant
Examples of trichome in the following topics:
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Leaf Structure, Function, and Adaptation
- Other leaves may have small hairs (trichomes) on the leaf surface.
- Trichomes help to avert herbivory by restricting insect movements or by storing toxic or bad-tasting compounds.
- Trichomes give leaves a fuzzy appearance as in this (a) sundew (Drosera sp.).
- Leaf trichomes include (b) branched trichomes on the leaf of Arabidopsis lyrata and (c) multibranched trichomes on a mature Quercus marilandica leaf.
- The bumps protruding from the lower surface of the leaf are glandular trichomes.
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Movement of Water and Minerals in the Xylem
- Xerophytes and epiphytes often have a thick covering of trichomes or stomata that are sunken below the leaf's surface.
- Trichomes are specialized hair-like epidermal cells that secrete oils and other substances.
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Stem Anatomy
- Trichomes are hair-like structures on the epidermal surface.