Intrinsic membrane that arises from embryonic germ layers and grow to surround the developing embryo. [ ]

This is just here as a test because I lose it

Term information

external ontology notes

EHDAA2 is a mereological sum.



see also

taxon notes

stuctures homologous to the four extraembryonic membranes appear in mammals [ISBN:0073040584 (Vertebrates, Kardong)]