rectal ampulla


rec·tal am·pul·la

[TA] a dilated portion of the rectum just above the pelvic diaphragm (levator ani) and proximal to the anal canal. Synonym(s): ampulla recti [TA], ampulla of rectum

rec·tal am·pul·la

(rek'tăl am-pul'lă) [TA] A dilated portion of the rectum just above the anal canal.