| vole | <zoology> Any one of numerous species of micelike rodents belonging to Arvicola and allied genera of the subfamily Arvicolinae. They have a thick head, short ears, and a short hairy tail. The water vole, or water rat, of Europe (Arvicola amphibius) is a common large aquatic species. The short-tailed field vole (A. Agrestis) of Northern and Central Europe, and Asia, the Southern field vole (A. Arvalis), and the Siberian root vole (A. Oeconomus), are important European species. The common species of the Eastern United States (A. Riparius) (called also meadow mouse) and the prairie mouse (A. Austerus) are abundant, and often injurious to vegetation. Other species are found in Canada. Source: Websters Dictionary (01 Mar 1998) |
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| vole bacillus | An acid-fast bacillus isolated from voles and used in the production of a vaccine against human and bovine tuberculosis. (05 Mar 2000) |
| Volhard's test | A test for renal function: the patient drinks 1500 ml of water on an empty stomach; if the patient was not dehydrated beforehand and the kidneys are normal, this fluid will be excreted by the end of 4 hr, with specific gravity of the urine being from 1.001 to 1.004. (05 Mar 2000) |
| Volhard, Franz | <person> German physician, 1872-1950. See: Volhard's test. (05 Mar 2000) |
| volition | Voluntary activity without external compulsion. (12 Dec 1998) |
| volitional | Done by an act of will; relating to volition. (05 Mar 2000) |
| volitional tremor | A tremor that can be arrested by a strong effort of the will. Synonym: intention tremor. (05 Mar 2000) |
| Volkmann's canals | Vascular canal's in compact bone that, unlike those of the haversian system, are not surrounded by concentric lamellae of bone; they run for the most part transversely, perforating the lamellae of the haversian system, and communicate with the canal's of that system. (05 Mar 2000) |
| Volkmann's cheilitis | An acquired disorder, of unknown aetiology, of the lower lip characterised by swelling, ulceration, crusting, mucous gland hyperplasia, abscesses, and sinus tracts. Synonym: Baelz' disease, myxadenitis labialis, Volkmann's cheilitis. (05 Mar 2000) |
| Volkmann's contracture | Ischemic contracture resulting from irreversible necrosis of muscle tissue, produced by a compartment syndrome; classically involves the forearm flexor muscles. (05 Mar 2000) |
| Volkmann's spoon | A sharp spoon for scraping away carious bone or other diseased tissue. (05 Mar 2000) |
| Volkmann, Alfred | <person> German physiologist, 1800-1877. See: Volkmann's canals. (05 Mar 2000) |
| Volkmann, Alfred Wilhelm | <person> Was Professor of Physiology and Anatomy in Dorpat and later in Halle. Volkmann's Canals - canals in bone carrying blood vessels from the periosteum. Lived: 1800-1877. B. Leipzig, Jul 1st, 1800, d. Halle, Apr 21st, 1877. (05 Dec 1998) |
| Volkmann, Richard | <person> German surgeon, 1830-1889. See: Volkmann's cheilitis, Volkmann's contracture, Volkmann's spoon. (05 Mar 2000) |
| volley | Origin: F. Volee; flight, a volley, or discharge of several guns, fr. Voler to fly, L. Volare. See Volatile. 1. A flight of missiles, as arrows, bullets, or the like; the simultaneous discharge of a number of small arms. "Fiery darts in flaming volleys flew." (Milton) "Each volley tells that thousands cease to breathe." (Byron) 2. A burst or emission of many things at once; as, a volley of words. "This volley of oaths." "Rattling nonsense in full volleys breaks." (Pope) 3. A return of the ball before it touches the ground. A sending of the ball full to the top of the wicket. Half volley. <medicine> A sending of the ball so that after touching the ground it flies towards the top of the wicket. On the volley, at random. "What we spake on the volley begins work." . Volley gun, a gun with several barrels for firing a number of shots simultaneously; a kind of mitrailleuse. Source: Websters Dictionary (01 Mar 1998) |
Synonyms :
Synonyms :
Synonyms : VHL Tumor Suppressor Protein, Von Hippel Lindau Tumor Suppressor Protein
Synonyms : von Willebrand's Disease, Angiohemophilias, Disease, von Willebrand, Disease, von Willebrand's, Hemophilias, Vascular, Vascular Hemophilia, Vascular Hemophilias, von Willebrands Disease
Synonyms : F VIII-vWf, Factor VIIIR-Ag, Factor VIIIR-RCo, Plasma Factor VIII Complex, Ristocetin Cofactor, Ristocetin-Willebrand Factor, vWF Ag, von Willebrand Factor Type IIB, von Willebrand Protein, Ag, vWF, Antigen, Factor VIII-Related, Cofactor, Ristocetin, F VIII vWf
| vortex |
whirl: the shape of something rotating rapidly whirlpool: a powerful circular current of water (usually the result of conflicting tides)
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| vorticose vein |
vortex vein: a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins
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| vox |
voice: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract; "a singer takes good care of his voice"; "the giraffe cannot make any vocalizations"
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| voyeur |
a viewer who enjoys seeing the sex acts or sex organs of others
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| volatile |
evaporating readily at normal temperatures and pressures; "volatile oils"; "volatile solvents" explosive: liable to lead to sudden change or violence; "an explosive issue"; "a volatile situation with troops and rioters eager for a confrontation" fickle: marked by erratic changeableness in affections or attachments; "fickle friends"; "a flirt's volatile affections" tending to vary often or widely; "volatile stocks"; "volatile emotions" a volatile substance; a substance that changes readily from solid or liquid to a vapor; "it was heated to evaporate the volatiles"
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| VO | a current state of general acceptance and use |
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| VO | in accord with the latest fad |
| VO | elegant and stylish |
| VO | the Ugric language (related to Hungarian) spoken by the Vogul people |
| VO | a member of a nomadic people of the northern Ural mountains |
| VO | a means or agency by which something is expressed or communicated |
| VO | the distinctive quality or pitch or condition of a person's speech |
| VO | the ability to speak |
| VO | the melody carried by a particular voice or instrument in polyphonic music |
| VO | expressing in coherent verbal form |
| VO | the sound made by the vibration of vocal folds modified by the resonance of the vocal tract |
| VO | something suggestive of speech in being a medium of expression |