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Medical Term:


Pronunciation: prok'to-de'um, -de'a

Definition: Terminal portion of the insect alimentary canal, extending from the pylorus (area of malpighian tubule attachment) to the anal opening; in certain diptera (flies) and other insects, the proctodeum is divided into a tubular anterior intestine and an enlarged posterior intestine, or rectum, ending at the anus.

Synonym(s): anal pit

[L. fr. G. proktos, anus + hodaios, on the way, fr. hodos, a way]

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