what is gallbladder fossa
Medical Definition of Fossa for gallbladder. 1. A depression on the visceral surface of the liver anteriorly, between the quadrate and the right lobes, lodging the gallbladder.Synonym: fossa vesicae biliaris, gallbladder fossa. (05 Mar 2000).. A depression on the visceral surface of the liver anteriorly, between the quadrate and the right lobes, lodging the gallbladder.