Nocardia /No·car·dia/ (no-kahr´de-ah) a genus of bacteria (family Nocardiaceae), including N. asteroi´des, which produces a tuberculosis-like infection in humans, N. farci´nica (probably identical with N. asteroi´des ), which produces a tuberculosis-like infection in cattle and causes actinomycotic mycetoma, and N. brasilien´sis, which causes nocardiosis and actinomycotic mycetoma in humans.
Nocardia
noble,
No·car·di·a (n -kär d - )n. A genus of aerobic, gram-positive, primarily saprophytic actinomycetes that are transitional between bacteria and fungi and that form filaments that fragment to single nonmotile microorganisms, including some species that may be pathogenic to humans and other animals. |
Nocardia
[nōkär′dē·ə]
Etymology: Edmund I. E. Nocard, French veterinarian, 1850-1903
a genus of weakly gram-positive aerobic bacteria, some species of which are pathogenic, such as Nocardia asteroides. See also nocardiosis.
noble,
adj an archaic term referring to inert gases and precious metals.
noble metal,
n See metal, noble.
Nocardia,
n a genus of aerobic nonmotile actinomycetes, which are transitional between bacteria and fungi. They are primarily saprophytic but may cause disease in man and other animals.
Nocardia
a genus of gram-positive, modified acid-fast bacteria, with branching filaments that break into cocci or bacilli, in the family Nocardiaceae. Most are soil saprophytes which uncommonly may cause pyogranulomatous infections in a number of species.
Nocardia asteroides, Nocardia brasiliensis
may cause mastitis in cattle, pneumonia, mastitis and lymphadenitis in pigs, sheep and goats, and cutaneous or systemic nocardiosis of dogs and cats.
Nocardia farcinica
there is some uncertainty about the taxonomic status of this species; causes bovine farcy.
Nocardia otitidiscaviarum
causes dermatitis on guinea pig ears.
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