Look up: ornithine

1. ornithine
   [n] - an amino acid that does not occur in proteins but is important in the formation of urea
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Ornithine
   Ornithine: An amino acid that is not found in protein but is important in the formation of urea and the disposal of excess nitrogen. Ornithine is produced when urea is split off from arginine and ornithine is itself converted into citrulline.
   Found on http://www.medterms.com/script/main/art.
   
   
3. ornithine
   <amino acid> Is made from the amino acid arginine and in turn is a precursor to form glutamic acid, citruline and proline. Ornithine's chief therapeutic value lies in its involvement in the urea cycle and its ability to enhance liver function, protect the liver and detoxify harmful substances....
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. ornithine
   noun an amino acid that does not occur in proteins but is important in the formation of urea
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
5. ornithine
   (or´nĭ-thēn) an amino acid produced in the urea cycle by the splitting off of urea from arginine. ornithine carbamoyltransferase , ornithine transcarbamylase an enzyme that catalyzes a reaction occurring in the liver mitochondria as part of the urea cycle.
   Found on http://www.encyclo.co.uk/local/21001
   
   
6. ornithine
   (from the article `metabolism`) The reaction is catalyzed by carbamoyl phosphate synthetase. The carbamoyl moiety of carbamoyl phosphate (NH2CO) is transferred to ornithine, an ...
   Found on http://www.britannica.com/eb/a-z/o/32
   
   
7. ornithine
   (Orn) Type: Term Pronunciation: ōr′ni-thēn, -thin Definitions: 1. the l-isomer is the amino acid formed when l-arginine is hydrolyzed by arginase; not a constituent of proteins, but an important intermediate in the urea cycle; elevated levels seen in certain defects of the urea cycle.
   Found on http://www.medilexicon.com/medicaldictio
   
   
8. Ornithine
   --> `Ornithine` is an amino acid that plays a role in the urea cycle. Role in urea cycle: <small>L</small>-Ornithine is one of the products of the action of the enzyme arginase on <small>L</small>-arginine, creating urea. Therefore, ornithine is a central part of the urea cycle, which al...
   Found on http://en.wikipedia.org/wiki/Ornithine