Koch (kôk, kô ), Robert 1843-1910. German bacteriologist who discovered the cholera bacillus and the bacterial cause of anthrax. He won a 1905 Nobel Prize for developing tuberculin. |
Koch
named after Robert Koch, a German bacteriologist.
Koch blue spot, Koch blue body
see theileriasis.
Koch OT
Koch's old tuberculin, used in the tuberculin test.
Koch phenomenon
the role of delayed type hypersensitivity in the pathogenesis of tuberculosis.
K's postulates
a statement of the kind of experimental evidence required to establish the causative relation of a given microorganism to a given disease. The conditions are: (1) the microorganism must be present in every case of the disease; (2) it must be isolated and cultivated in pure culture; (3) inoculation of such culture must produce the disease in susceptible animals; (4) it must be observed in, and recovered from, the experimentally diseased animal.
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