| vell | The salted stomach of a calf, used in making cheese; a rennet bag. Origin: Cf. L. Vellus the skin of a sheep with the wool on it, a fleece, a hide or pelt, or E. Fell a hide. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| Vella's fistula | Experimental isolation of a segment of intestine in a dog or other animal; the mesenteric attachment is preserved, the divided intestine at each end of the segment is joined by anastomosis, and the ends of the segment are stitched to openings in the abdominal wall. Synonym: Vella's fistula. (05 Mar 2000) |
| Vella, Luigi | <person> Italian physiologist, 1825-1886. See: Vella's fistula, Thiry-Vella fistula. (05 Mar 2000) |
| vellicate | To twitch or contract spasmodically; said especially of fibrillary muscular spasms. Origin: L. Vellico, pp. -atus, to pluck, to twitch, fr. Vello, to deprive of hair, pluck (05 Mar 2000) |
| vellication | 1. The act of twitching, or of causing to twitch. 2. <medicine> A local twitching, or convulsive motion, of a muscular fibre, especially of the face. Origin: L. Vellicatio. Source: Websters Dictionary (01 Mar 1998) |
| vellus | 1. Fine nonpigmented hair covering most of the body. 2. A structure that is fleecy or soft and woolly in appearance. Origin: L. Fleece Vellus olivae inferioris, a stratum of nerve fibres surrounding the inferior olive. (05 Mar 2000) |
| vellus hair | Colourless, soft, fine postnatal to adult hair. (05 Mar 2000) |