| 释义 |
proc·to·dae·um
noun
or proc·to·de·um \ˌ ̷ ̷ ̷ ̷ˈdēəm\
(plural proctodaea \-ēə\ ; or proctodae·ums \-ēəmz\ ; or procto·dea or proctode·ums)
Etymology: New Latin, from proct- + -odaeum, -odeum (from Greek hodaios on the way, from hodos way) — more at cede
: the posterior ectodermal part of the alimentary canal formed in the embryo by invagination of the outer body wall — compare mesenteron, stomodaeum |