- Runyon group
- one of four divisions of nontuberculous mycobacteria, classified according to pigmentation and rate of growth. See nontuberculous mycobacteria, under mycobacterium.
Medical dictionary. 2011.
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Runyon classification group — Run·yon classification, group (runґyən) [Ernest H. Runyon, American microbiologist, 20th century] see under classification … Medical dictionary
mycobacteria — Organisms belonging to the genus Mycobacterium. atypical m. species of m. other than M. tuberculosis or M. bovis that can cause disease in immunocompromised humans; being replaced by the designation of MOTT (M. Other Than Tuberculosis). Runyon… … Medical dictionary
Mycobacterium chelonae — Scientific classification Kingdom: Bacteria Phylum: Actinobacteria Order … Wikipedia
Mycobacterium — A genus of aerobic, nonmotile bacteria (family Mycobacteriaceae) containing Gram positive, acid fast, slender, straight or slightly curved rods; slender filaments occasionally occur, but branched forms rarely are produced. Parasitic and… … Medical dictionary
Scotochromogenic — bacteria develop pigment in the dark or in the light. Runyon Group II nontuberculous mycobacteria are examples but the term could apply to many other organisms … Wikipedia
scotochromogenic — adjective Having developed pigment in the dark or in the light. Runyon Group II nontuberculous mycobacteria are examples but the term could apply to many other organisms. See Also: scotochromogenicity … Wiktionary
nonchromogens — SYN: Runyon group III mycobacteria … Medical dictionary
photochromogens — SYN: Runyon group I mycobacteria. [photo + G. chroma, color, + gen, producing] … Medical dictionary
scotochromogens — SYN: Runyon group II mycobacteria. [scoto + G. chroma, color, + gen, producing] … Medical dictionary
scotochromogen — sco·to·chro·mo·gen (sko″to kroґmo jən) [scoto + chromo + gen] a microorganism whose pigmentation develops in the dark as well as in the light; specifically, a member of Runyon Group II of the nontuberculous mycobacteria, but applicable … Medical dictionary