Category:Villus

Vil"lus, n.; pl. Villi. Etym: [l., shaggy hair, a tuft of hair.]

1. (anat.)

Defn: one of the minute papillary processes on certain vascular Membranes; a villosity; as, villi cover the lining of the small Intestines of many animals and serve to increase the absorbing Surface.

2. pl. (bot.)

Defn: fine hairs on plants, resembling the pile of velvet.