| dRVVT | dilute Russell viper venom time |
|---|---|
| RVV | right ventricular volume; rubella vaccine-like virus; Russell viper venom |
| RVVT | Russell viper venom time |
| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
| VV | vaccinia virus; varicose veins; veno-venous; viper venom; vulva and vagina |
| DRVVT | Dilute Russel Viper Venom Time |
|---|---|
| RVV | Russel Viper Venom |
| RSS | Russell-Silver Syndrome |
| SRS | Silver Russell syndrome |
| BV | Bee venom |
| Russell's viper venom | A venom used as a coagulant in the arrest of haemorrhage from accessible sites in haemophilia. (05 Mar 2000) |
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| Russell's viper venom clotting time | A clotting time determination performed on citrated platelet-poor plasma using Russell's viper venom as an activating agent. This allows activation of factor X directly without the need for other coagulation factors and is used to confirm factor X defects. See: Stypven time test. (05 Mar 2000) |
| russell's viper | A genus of snakes of the family viperidae. It is distributed in west pakistan, most of india, burma, ceylon, thailand, southeast china, taiwan, and a few islands of indonesia. It hisses loudly when disturbed and strikes with great force and speed. Very prolific, it gives birth to 20-60 young. This viper is the leading cause of snakebite in india and burma. (moore: poisonous snakes of the world, 1980, p127) (12 Dec 1998) |
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| viper | 1. <zoology> Any one of numerous species of Old World venomous makes belonging to Vipera, Clotho, Daboia, and other genera of the family Viperidae. "There came a viper out of the heat, and fastened on his hand." (Acts xxviii. 3) Among the best-known species are the European adder (Pelias berus), the European asp (Vipera aspis), the African horned viper (V. Cerastes), and the Indian viper (Daboia Russellii). 2. A dangerous, treacherous, or malignant person. "Who committed To such a viper his most sacred trust Of secrecy." (Milton) Horned viper. <zoology> A small, slender, phosphorescent deep-sea fish (Chauliodus Sloanii). It has long ventral and dorsal fins, a large mouth, and very long, sharp teeth. <botany> Viper's bugloss, a perennial composite herb (Scorzonera Hispanica) with narrow, entire leaves, and solitary heads of yellow flowers. The long, white, carrot-shaped roots are used for food in Spain and some other countries. Synonym: viper grass. Origin: F. Vipere, L. Vipera, probably contr. Fr. Vivipera; vivus alive + parere to bring forth, because it was believed to be the only serpent that brings forth living young. Cf. Quick, Parent, Viviparous, Wivern, Weever. Source: Websters Dictionary (01 Mar 1998) |
| viper venoms | Venoms from snakes of the viperid family. They tend to be less toxic than elapid or hydrophid venoms and act mainly on the vascular system, interfering with coagulation and capillary membrane integrity and are highly cytotoxic. They contain large amounts of several enzymes, other factors, and some toxins. (12 Dec 1998) |
| water viper | <zoology> See Water moccasin. Source: Websters Dictionary (01 Mar 1998) |
| black widow spider venom | Potent neurotoxin that induces catastrophic release of acetylcholine from presynaptic terminals of cholinergic chemical synapses. (18 Nov 1997) |
| venom | <chemical> A toxic secretion in animals that is actively delivered to the target organism, either to paralyse or incapacitate or else to cause pain as a defence mechanism. Commonly include protein and peptide toxins. (12 Jan 1998) |
| venom haemolysis | That caused by haemolytic material in the venom of various species of snakes or other venomous animals. (05 Mar 2000) |
| cobra venom cofactor | <enzyme> A glycine-rich, heat-labile beta-glycoprotein found in blood. It is a proactivator of complement 3 in the alternate pathway of complement activation. Factor b is converted by factor d to c3 convertase. Registry number: EC 3.4.21.47 (12 Dec 1998) |
| cobra venom factor | A component of cobra venom that renders C3 proactivator (properdin factor B) susceptible to factor D of the properdin system, leading to activation of C3 and other components of complement and lysis of unsensitised erythrocytes. (05 Mar 2000) |
| crotalid venom | <herpetology> Venoms from snakes of the subfamily crotalinae or pit vipers, found mostly in the americas. They include the rattlesnake, cottonmouth, fer-de-lance, bushmaster, and american copperhead. Their venoms contain nontoxic proteins, cardio-, haemo-, cyto-, and neurotoxins, and many enzymes, especially phospholipases a. Many of the toxins have been characterised. (12 Dec 1998) |
| direct lytic factor of cobra venom | A polypeptide of 62 residues; action on cells is similar to that of melittin in that it promotes disruption of membranes; used as an investigational antirheumatic agent. Synonym: cobra toxin, direct lytic factor of cobra venom. (05 Mar 2000) |
| kokoi venom | A potent neurotoxin found in the frog Phyllobates bicolor; it is a nonprotein compound with a molecular weight of approximately 400, and is lethal in microgram quantities. (05 Mar 2000) |
| Brain, W Russell Lord | <person> English physician, 1895-1966. See: Brain's reflex. (05 Mar 2000) |
| Brock, Sir Russell | <person> British surgeon, *1903. See: Brock's syndrome, Brock operation. (05 Mar 2000) |
| Russell, Albert | <person> U.S. Dentist, *1905. See: Russell's Periodontal Index. (05 Mar 2000) |
| Russell's viper venom |
the venom of Russell's viper, Vipera russelli, which acts in vitro as an intrinsic thromboplastin and is useful in defining deficiencies of coagulation factor X.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Russell's viper venom t. |
Stypven time t.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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