An extraembryonic epithelium that is formed by the delaminated cells of the primitive endoderm (hypoblast) that goes on to form the yolk sac. In mammals, as in avians, these cells do not produce any part of the newborn organism (i.e. they are extraembryonic) [ ]

This is just here as a test because I lose it

Term information

database cross reference
development notes

forms the yolk sac (Gilbert)

The origin of extraembryonic endoderm is a highly controversial issue



Term relations