Runyon group


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.

Look at other dictionaries:

  • 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