Rathke's pouch

[ raht-kuh z ]
/ ˈrɑt kəz /

noun Embryology.

an invagination of stomodeal ectoderm developing into the anterior lobe of the pituitary gland.
Also called Rathke's pocket.

Origin of Rathke's pouch

1940–45; named after Martin Heinrich Rathke (1793–1860), German anatomist