SEM of trichome: a leaf hair of Arabidopsis thaliana. By Heiti Paves.

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Trichome, Arabidopsis leaf hair. By Heiti Paves. Scanning electron micrograph of trichome: a leaf hair of thale cress (Arabidopsis thaliana), an unique structure that is made of a single cell. Source.

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Trichome, Arabidopsis leaf hair. By Heiti Paves. Scanning electron micrograph of trichome: a leaf hair of thale cress (Arabidopsis thaliana), an unique structure that is made of a single cell. Source.

Trichome
/ˈtrʌɪkəʊm,ˈtrɪkəʊm/

noun

BOTANY
  1. a small hair or other outgrowth from the epidermis of a plant, typically unicellular and glandular

“Trichomes serve a variety of functions, depending on their location. As root hairs (and as leaf hairs in epiphytes), trichomes absorb water and minerals. As leaf hairs, they reflect radiation, lower plant temperature, and reduce water loss. They also provide defense against insects.”

 

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