Skip to Content
Medical Term:

anal pit


an ectodermally lined depression under the caudal eminence to the terminal part of the embryonic hindgut; at its bottom there is an epithelial plug. When this epithelial plug ruptures, the anal orifice is established.

Synonym(s): proctodeum2

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.