noun
intestinal villus
Anatomical term for the tiny finger-like projections lining the small intestine that absorb nutrients.
腸絨毛は小腸の内壁にある微細な突起です。
Intestinal villi are tiny projections on the inner wall of the small intestine.
Compound of 腸 (intestine) and 絨毛 (villus, literally 'downy hair'). The term 絨毛 itself is a medical coinage from 絨 (down, wool) and 毛 (hair).