(biology, anatomy, medicine) Relating to the ampulla of Vater. / (biology, anatomy, medicine) Relating to the rectal ampulla. / (biology, anatomy, medicine) Relating to the ampulla chyli.

(anatomy) A sensory organ of rotation, able to sense angular acceleration and deceleration, found in the ampullae of each of the semicircular canals of the inner ear; there are three pairs in total.