Rokitansky-Aschoff sinus

Etymology
Named after Carl Freiherr von Rokitansky (1804–1878), Austrian pathologist, and Ludwig Aschoff (1866–1942), German pathologist.

Noun

 * 1) An outpouching of gall bladder mucosa into the gall bladder muscle layer and subserosal tissue, sometimes associated with cholecystitis.