| Walker carcinosarcoma | <tumour> A transplantable carcinosarcoma of the rat that originally appeared spontaneously in the mammary gland of a pregnant albino rat, and which now resembles a carcinoma in young transplants and a sarcoma in older transplants. Synonym: Walker carcinoma. (05 Mar 2000) |
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| Walker, J | <person> Ainslie, English chemist, 1868-1930. See: Rideal-Walker coefficient, Rideal-Walker method. (05 Mar 2000) |
| Walker, James | <person> British gynecologist, *1916. See: Walker's chart. (05 Mar 2000) |
| Walker's chart | A system of plotting the relative foetal and placental sizes. (05 Mar 2000) |
| Dandy-Walker syndrome | <syndrome> Obstruction of foramina of Luschka and Magendie, enlarged 4th ventricle, hypoplastic vermis and cerebellum associated with: agenesis of corpus callosum, encephalocele (12 Dec 1998) |