Look up: xanthine

1. xanthine
   [n] - crystalline oxidation product of the metabolism of nucleoproteins
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Xanthine
   A molecular structure found in many common drugs and products (eg caffeine).
   Found on http://www.vernalis.com/component/conten
   
   
3. Xanthine
   a bronchodilator drug that is used to treat asthma
   Found on http://www.medichecks.com/glossary.cfm?l
   
   
4. Xanthine
   Xanthine: A substance found in caffeine, theobromine, and theophylline and encountered in tea, coffee, and the colas. Chemically, xanthine is a purine. There is a genetic disease of xanthine metabolism, xanthinuria, due to deficiency of an enzyme, xanthine dehydrogenase, needed to process xanthine i...
   Found on http://www.medterms.com/script/main/art.
   
   
5. xanthine
   (= 2,6-dihydroxypurine) A purine, the starting point for purine degradation. Its methylated derivatives (theophylline, theobromine, caffeine) are potent cAMP phosphodiesterase inhibitors.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
6. Xanthine
   Xan'thine noun Also Xan'thin [ Greek xanqo`s yellow.] (Physiol. Chem.) A white microcrystalline nitrogenous compound, C ₅ H ₄ O ₂ N ₄ , present in muscle tissue, in the liver, spleen, pan...
   Found on http://www.encyclo.co.uk/webster/X/1
   
   
7. xanthine
   <biochemistry> A purine, the starting point for purine degradation. Its methylated derivatives (theophylline, theobromine, caffeine) are potent cAMP phosphodiesterase inhibitors. ... (18 Nov 1997) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
8. xanthine
   noun crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
9. xanthine
   (zan´thēn) a purine compound found in most bodily tissues and fluids; it is a precursor of uric acid. Methylated xanthine compounds such as caffeine, theobromine, and theophylline are used for their bronchodilator effects.
   Found on http://www.encyclo.co.uk/local/21001
   
   
10. Xanthine
    • Alt. of Xanthin
    Found on http://thinkexist.com/dictionary/meaning
    
    
11. xanthine
    (from the article `purine`) Uric acid, the first purine derivative to be discovered, was isolated in 1776 from urinary calculi; xanthine was obtained from the same source in ... rare inherited disorder of purine metabolism that results from a deficiency in the enzyme xanthine oxidase. Normally this enzyme breaks down the ... [2 rela...
    Found on http://www.britannica.com/eb/a-z/x/1
    
    
12. xanthine
    (Xan) Type: Term Pronunciation: zan′thēn Definitions: 1. Oxidation product of guanine and hypoxanthine, precursor of uric acid; occurs in many organs and in the urine, occasionally forming urinary calculi; elevated in molybdenum cofactor deficiency and in xanthinuria.
    Found on http://www.medilexicon.com/medicaldictio
    
    
13. Xanthine
    Xanthine is a nitrogenous compound closely allied to uric acid, that occurs in extract of meat and in tea. It forms a colourless powder slightly soluble in water, and yields alloxan and urea on oxidation.
    Found on http://www.probertencyclopaedia.com/brow