Search on: XANTHINE 
Descriptors Found: 1
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Descriptor English:   Xanthine 
Descriptor Spanish:   Xantina 
Descriptor Portuguese:   Xantina 
Tree Number:   D03.132.960.938
D03.438.759.758.824.938
Definition English:   A purine base found in most body tissues and fluids, certain plants, and some urinary calculi. It is an intermediate in the degradation of adenosine monophosphate to uric acid, being formed by oxidation of hypoxanthine. The methylated xanthine compounds caffeine, theobromine, and theophylline and their derivatives are used in medicine for their bronchodilator effects. (Dorland, 28th ed) 
Indexing Annotation English:   a specific chem: do not confuse with XANTHINES or XANTHENES
Entry Combination - descr/qualif English:   Xanthine/analogs & derivatives use Xanthines
 
History Note English:   98; use XANTHINE (NM) 1980-97 
Allowable Qualifiers English:  
administration & dosage adverse effects
agonists antagonists & inhibitors
analysis blood
cerebrospinal fluid chemistry
classification chemical synthesis
contraindications diagnostic use
economics history
immunology isolation & purification
metabolism pharmacology
pharmacokinetics poisoning
radiation effects supply & distribution
standards toxicity
therapeutic use urine
Record Number:   33417 
Unique Identifier:   D019820 

Occurrence in VHL: 		 

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