the inner layer of cells of the embryo, from which is formed the lining of the digestive
tract, of other internal
organs, and of certain glands
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Derived forms endodermal (ˌendoˈdermal)
adjective or ˌendoˈdermic