You searched for: “pilosity
pilosity (s) (noun), pilosities (pl)
The state of being covered with hair: Many mammals have a condition of pilosity, longe hair that is usually finer hairs.

In comparison,"setae" are stiff hairs, bristles, or bristle-like processes or parts.

This entry is located in the following unit: Ant and Related Entomology Terms (page 16)