gastrula

gastrula definition - medical

gas·tru·la (găsˈtrə-lə)

noun pl. gas·tru·las or gas·tru·lae (-lēˌ)
An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments


Do you have more to add? Sign in to share your linguistic knowledge or observation.

Connect with Facebook