| viperoides | <zoology> A division of serpents which includes the true vipers of the Old World and the rattlesnakes and moccasin snakes of America. Synonym: Viperina. Origin: NL. See Viper, and -oid. Source: Websters Dictionary (01 Mar 1998) |
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| vipoma | An endocrine tumour, usually arising in the pancreas, that produces vasoactive intestinal polypeptide, which is the mediator of a syndrome of watery diarrhoea, hypokalaemia, and hypochlorhydria, leading to renal failure and death. (12 Dec 1998) |
| Vipond's sign | <clinical sign> A generalised adenopathy occurring during the period of incubation of various of the exanthemas of childhood, affording an early diagnostic sign in a case of known exposure. (05 Mar 2000) |
| viprynium embonate | 6-(dimethylamino)-2-[2-(2,5-dimethyl-1-phenylpyrrol-3-yl)-vinyl]-1-methylquinolinium 4,4'-methylenebis[3-hydroxy-2-naphthoate] (2:1);a highly effective drug used in the eradication of human pinworms. Synonym: viprynium embonate. (05 Mar 2000) |
| viraemia | <virology> The existence of viruses or viral particles in the bloodstream. (11 Jan 1998) |
| viraginity | Presence of pronounced masculine psychological qualities in a woman. Origin: L. Virago (viragin-), a female warrior (05 Mar 2000) |
| virago | Origin: L. Virago, -intis, from vir a man. See Virile. 1. A woman of extraordinary stature, strength, and courage; a woman who has the robust body and masculine mind of a man; a female warrior. "To arms! to arms! the fierce virago cries." (Pope) 2. Hence, a mannish woman; a bold, turbulent woman; a termagant; a vixen. "Virago . . . Serpent under femininity." (Chaucer) Source: Websters Dictionary (01 Mar 1998) |
| viral | Pertaining to, caused by or of the nature of virus. (18 Nov 1997) |
| viral alkaline nuclease | <enzyme> Has both exo and endonuclease activity Registry number: EC 3.1.- Synonym: hsv type 1 alkaline nuclease, herpes simplex virus type I alkaline nuclease, alkaline nuclease, herpes simplex virus (26 Jun 1999) |
| viral antigen | Those antigens specified by the viral genome (often coat proteins) that can be detected by a specific immunological response. Often of diagnostic importance. (18 Nov 1997) |
| viral core proteins | Proteins found mainly in icosahedral DNA and RNA viruses. They consist of proteins directly associated with the nucleic acid inside the nucleocapsid. (12 Dec 1998) |
| viral cystitis | Bladder inflammation due to a viral infection. (05 Mar 2000) |
| viral dysentery | Profuse watery diarrhoea due to, or thought to be due to, infection by a virus. (05 Mar 2000) |
| viral encephalomyelitis | An encephalomyelitis due to a neurotropic virus. (05 Mar 2000) |
| viral envelope | The outer structure that encloses the nucleocapsids of some viruses; may contain host material. (05 Mar 2000) |