underfur

/uhn-der-fur/US // ˈʌn dərˌfɜr //UK // (ˈʌndəˌfɜː) //

皮毛下,皮毛之下,裘皮下,裘皮下面

Definitions

n.名词 noun

1
- : the fine, soft, thick, hairy coat under the longer and coarser outer hair in certain animals, as seals, otters, and beavers.

More than 200 impression slides and whole mounts of guard hair and underfur were prepared.
In mice in the earlier stages of adulthood, underfur of the dorsum is buffy at the tips and gray basally.
The width of a hair in the underfur is of no taxonomic significance, in that individual variation exceeds that between species.
The guard hairs and underfur differ in different species (see figs. 35-37).
Color: Darker throughout, especially on dorsal surface due to more black of the underfur; underparts deeper buff.