archenteron Meaning, Definition & Usage

  1. noun central cavity of the gastrula; becomes the intestinal or digestive cavity

WordNet

Arch`en"ter*on noun
Etymology
Pref. arch- + Gr. intestine.
Definitions
  1. (Biol.) The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. See Illust. under Invagination.

Webster 1913