Organic Chemical
purine
pu·rine [ pyoor-een, -in ]
Subclass of:
Heterocyclic Compounds, 2-Ring
Definitions related to purines:
-
Bicyclic ring structure consisting of fused imidazole and pyrimidine rings, with nitrogen atoms at the 1,3,7, and 9 positions; the basic structure of adenine, guanine, and other biologically important bases.CRISP ThesaurusNational Institutes of Health, 2006
-
A series of heterocyclic compounds that are variously substituted in nature and are known also as purine bases. They include ADENINE and GUANINE, constituents of nucleic acids, as well as many alkaloids such as CAFFEINE and THEOPHYLLINE. Uric acid is the metabolic end product of purine metabolism.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
-
Purine, any of a class of organic compounds of the heterocyclic series characterized by a two-ringed structure composed of carbon and nitrogen atoms. The simplest of the purine family is purine itself, a compound with a molecular formula C5H4N4. Purine is not common, but the purine structure...Encyclopedia Britannica, Inc., 2020
Return to OpenMD Medical Dictionary
> P
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.