soft hair; downy hair; fur
General term for fine, soft hair on animals or humans, often contrasted with 剛毛 (coarse hair).
See also: 剛毛
ウサギの柔毛はとても柔らかい。
A rabbit's fur is very soft.
intestinal villus
Anatomical term for the tiny finger-like projections in the small intestine; also written 絨毛.
See also: 絨毛
小腸の柔毛は栄養の吸収を助ける。
The intestinal villi help absorb nutrients.
The baby has soft downy hair on its head.