Medical Dictionary

DNA

noun \ˌdē-ˌen-ˈā\

Medical Definition of DNA

:  any of various nucleic acids that are usually the molecular basis of heredity, are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases which project inward from two chains containing alternate links of deoxyribose and phosphate, and that in eukaryotes are localized chiefly in cell nuclei—called also deoxyribonucleic acid; see recombinant dna

Illustration of DNA

May 23, 2015
debouch Hear it
to emerge or cause to emerge
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