trichome

...Protozoa such as paramecium and vorticella, and the larvae of lugworms and clams (trochophora) move the numerous cilia on their body surface like rice stalks waving in the wind to swim in the water. [Mitsuhiro Sasagawa]
[Plant hairs]
A general term for the epidermal-derived structures among the hair-like appendages that grow on the surface of the body of higher plants. They are also called trichomes. They are found in various shapes on all plant organs, but since different species often have similar hairs, they serve as a good indicator for plant classification, and research into hairs, including classification, has developed based on historical observation and description of plant species.

*Some of the terminology that mentions "trichome" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ゾウリムシやツリガネムシなどの原生動物，ゴカイやハマグリの幼生(トロコフォラtrochophora)は体表にある多数の繊毛をあたかも風になびく稲穂波のように動かして水中を遊泳する。【笹川 満広】
【植物の毛】
　高等植物の体の表面に生じた毛状の付属物のうち，表皮系起源の構造の総称で，毛茸（もうじよう）trichomeともいう。植物のあらゆる器官にさまざまの形状でみられるが，種属によって同類の毛をもつことが多いので，植物の分類のよい指標となり，類型化を含めて毛の研究は植物の種属史的な観察，記載を軸にして発展してきた。…

※「trichome」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報