| Heuser's membrane | A layer of cells delaminated from the inner surface of the blastocystic cytotrophoblast and from the envelope of the primary yolk sac during the second week of embryonic life. Synonym: Heuser's membrane. (05 Mar 2000) |
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| Heuser, Chester | <person> U.S. Embryologist, 1885-1965. See: Heuser's membrane. (05 Mar 2000) |