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biography
name: Rathke, Martin H(einrich)

pronunciation: [rahtkuh]

sex: male
lived: (1793–1860)

biography: Biologist, born in Gdańsk, N Poland (formerly Danzig, Germany). He was a medical practitioner before becoming professor of physiology at Dorpat (1829) and Königsberg (1835). In 1829 he discovered gill-slits and gill-arches in embryo birds and mammals. Rathke's pocket is the name given to the small pit on the dorsal side of the oral cavity of developing vertebrates.