Medical term:

purine

[pu´rēn]

a heterocyclic compound that is the nucleus of the purine bases such as adenine and guanine (which occur in DNA and RNA), and xanthine and hypoxanthine.

pur·ine (Pur),

(pyūr'ēn, -rin),

The parent substance of adenine, guanine, and other naturally occurring purine "bases."

Farlex Partner Medical Dictionary © Farlex 2012

purine

(pyo͝or′ēn′)

1. A double-ringed, crystalline organic base, C₅H₄N₄, that is the parent compound of a large group of biologically important compounds.

2. Any of a group of substituted derivatives of purine, including the nitrogen bases adenine and guanine, which are components of nucleic acids. Uric acid, caffeine, theobromine, and theophylline are also purines.

pu·rine

(pyūr'ēn)

The parent substance of adenine, guanine, and other naturally occurring so-called purine bases; not known to exist as such in mammals.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

purine

one of two types of base found in NUCLEIC ACIDS, having a double ring structure; see ADENINE and GUANINE. Purines always pair with PYRIMIDINES in the two strands of DNA, ensuring a parallel-sided molecule.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Purine

A white crystalline substance that is one of the building blocks of DNA. Uric acid is produced when purine is broken down in the body.

Mentioned in: Gout, Uric Acid Tests

pu·ri·ne·mi·a

(pyū'ri-nē'mē-ă),

The presence of purine or xanthine bases in the circulating blood.

[purine + G. haima, blood]

purinemia

(pū″rĭ-nē′mē-ă) [ purine, + Gr. haima, blood]

Purine in the blood.

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