| Koch's original tuberculin | <protein> A protein extracted from the tuberculosis bacteriumMycobacterium tuberculosis. It is used in tests to determine if aperson has been exposed to the bacteria and is in danger of coming down with the disease. (09 Oct 1997) |
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| Koch's phenomenon | The phenomenon of infection immunity; living tubercle bacilli (Mycobacterium tuberculosis) do not cause reinfection when inoculated into tuberculous guinea pigs (i.e., the animals are "immune" to reinfection) even though the original infections continue to develop and eventually cause death of the animals, rise of temperature and increase of the local lesion, in a tuberculous subject, following an injection of tuberculin. (05 Mar 2000) |
| Koch's postulates | To establish the specificity of a pathogenic microorganism, it must be present in all cases of the disease, inoculations of its pure cultures must produce disease in animals, and from these it must be again obtained and be propagated in pure cultures. Synonym: Koch's law. (05 Mar 2000) |
| Koch's triangle | A triangular area of the wall of the right atrium of the heart, that marks the situation of the atrioventricular node. (05 Mar 2000) |
| Koch, Robert | <person> German bacteriologist and Nobel laureate, 1843-1910. See: Koch's bacillus, Koch's blue bodies, Koch's law, Koch's old tuberculin, Koch's phenomenon, Koch's postulates, Koch-Weeks bacillus. (05 Mar 2000) |
| Koch, Walter | <person> German surgeon, *1880. See: Koch's node, Koch's triangle. (05 Mar 2000) |
| Koch-Weeks bacillus | <bacteria> Bacterium sometimes associated with influenza virus infections, causes pneumonia and meningitis. (18 Nov 1997) |
| Kocher clamp | A heavy, straight haemostat with interlocking teeth on the tip. (05 Mar 2000) |
| kocher fracture | <radiology> Osteochondral fracture of the capitellum (12 Dec 1998) |
| Kocher's incision | An incision parallel with right costal margin. (05 Mar 2000) |
| Kocher's sign | <clinical sign> In Graves' disease, on upward gaze, the globe lags behind the movement of the upper eyelid. (05 Mar 2000) |
| Kocher, E Theodor | <person> Swiss surgeon and Nobel laureate, 1841-1917. See: Kocher clamp, Kocher's incision, Kocher's sign, Kocher-Debre-Semelaigne syndrome. (05 Mar 2000) |
| Kocher, Theodor | <person> Switzerland has developed many famous medical men, but none greater than Theodor Kocher of Berne. His work centreed on colloid and toxic goitre, for which he became a Nobel Laureate in 1909. He was a pioneer abdominal surgeon, being one of the first to successfully resect and unite the intestines. Halsted adored Kocher and copied many of his mannerisms (surgical gloves, silk gloves). Harvey Cushing, the neurosurgeon, also visited Kocher and wrote, "This professor has outdone surgery at the Johns Hopkins Hospital." Lived: 1841-1917. (15 Nov 1997) |
| Kocher-Debre-Semelaigne syndrome | <syndrome> Autosomal recessive inherited athyrotic cretinism associated with muscular pseudohypertrophy. Synonym: Debre-Semelaigne syndrome. (05 Mar 2000) |
| Kock ileostomy | kock pouch |