| vesiculovirus | A genus of the family rhabdoviridae that infects a wide range of vertebrates and invertebrates. The type species is vesicular stomatitis-indiana virus. (12 Dec 1998) |
|---|---|
| Vesling's line | A central line, like a cord, running over the scrotum from the anus to the root of the penis; it marks the position of the septum scroti. Synonym: raphe scroti, Vesling's line. (05 Mar 2000) |
| vespa | <zoology> A genus of Hymenoptera including the common wasps and hornets. Origin: L, wasp. Source: Websters Dictionary (01 Mar 1998) |
| vespers | One of the little hours of the Breviary. The evening song or service. Sicilian vespers. See Sicilian. Origin: OF. Vespres, F. Vepres, LL. Vesperae, fr. L. Vespera evening. See Vesper. Source: Websters Dictionary (01 Mar 1998) |
| vespertilio | <zoology> A genus of bats including some of the common small insectivorous species of North America and Europe. Origin: L, a bat. Source: Websters Dictionary (01 Mar 1998) |
| vespertiliones | <zoology> A tribe of bats including the common insectivorous bats of America and Europe, belonging to Vespertilio and allied genera. They lack a nose membrane. Source: Websters Dictionary (01 Mar 1998) |
| vespertilionine | <zoology> Of or pertaining to the Vespertiliones. Source: Websters Dictionary (01 Mar 1998) |
| vespertine | 1. Of or pertaining to the evening; happening or being in the evening. 2. <botany> Blossoming in the evening. Origin: L. Vespertinus. See Vesper. Source: Websters Dictionary (01 Mar 1998) |
| vessel | Water conducting system in the xylem, consisting of a column of cells (vessel elements) whose end walls have been perforated or totally degraded, resulting in an uninterrupted tube. (18 Nov 1997) |
| vessel element | Part of a xylem vessel in a higher plant, arising from a single cell. The end walls are perforated and may completely disappear, giving rise to a continuous tube. The remaining walls are thickened and lignified and there is no protoplast. (18 Nov 1997) |
| vessel, afferent | A vessel carrying blood toward the heart. A vein or venule. Afferent hails from the latin ad meaning toward + ferre, to bear. The opposite of an afferent vessel is an efferent vessel, an artery or arteriole. (12 Dec 1998) |
| vessel, efferent | A vessel carrying blood away from the heart. An artery or arteriole. Efferent comes from the latin e- or ex- meaning out or away + ferre, to bear. The opposite of an efferent vessel is an afferent vessel, a vein or venule. (12 Dec 1998) |
| vessels of internal ear | Blood vessels of the internal ear, consisting of the labyrinthine artery and its branches and the labyrinthine veins and their tributaries. Synonym: vasa auris internae. (05 Mar 2000) |
| vessels of vessels | Nutrient blood vessels which supply the walls of large arteries or veins. (12 Dec 1998) |
| vessignon | <veterinary> A soft swelling on a horse's leg; a windgall. Origin: F. Vessigon, fr. L. Vesica a bladder, blister. Source: Websters Dictionary (01 Mar 1998) |