Look up: Thromboxane

1. Thromboxane
   Thromboxane: A substance made by platelets that causes blood clotting and constriction of blood vessels. There are two thromboxanes. Thromboxane A2 (TXA2) is active but is very unstable and has a half-life of only 30 seconds before it undergoes hydrolysis to form thromboxane B2 (TXB2) which is inact...
   Found on http://www.medterms.com/script/main/art.
   
   
2. thromboxane
   <biochemistry> Arachidonic acid metabolites produced by the action of thromboxane synthetase on prostaglandin cyclic endoperoxides. Thromboxane A2 (TxA2) is a potent inducer of platelet aggregation and release and although unstable, the activation of platelets leads to the further production o...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
3. thromboxane
   (throm-bok´sān) an intermediate in the metabolic pathway of arachidonic acid, formed from prostaglandin endoperoxides, and released from suitably stimulated platelets; the unstable form, thromboxane A2, is a potent inducer of platelet aggregation and constrictor of arterial smooth muscle.
   Found on http://www.encyclo.co.uk/local/21001
   
   
4. thromboxane
   (from the article `chemical compound`) ...20-carbon unsaturated fatty acids. They consist of the prostaglandins, which are present in nearly all mammalian organs and have significant ... Thromboxanes and prostacyclins play an important role in the formation of blood clots. The process of clot formation begins with an aggregation of ... ...
   Found on http://www.britannica.com/eb/a-z/t/45
   
   
5. thromboxane
   Type: Term Pronunciation: throm-bok′sān Definitions: 1. The formal parent of the thromboxanes; prostanoic acid in which the -COOH has been reduced to -CH₃ and an oxygen atom has been inserted between carbons 11 and 12.
   Found on http://www.medilexicon.com/medicaldictio
   
   
6. Thromboxane
   `Thromboxane` is a member of the family of lipids known as eicosanoids. The two major thromboxanes are thromboxane A2 and thromboxane B2. The distinguishing feature of thromboxanes is a 6-membered ether-containing ring. Thromboxane is named for its role in clot formation (thrombosis). Production: Me...
   Found on http://en.wikipedia.org/wiki/Thromboxane