Heuser's membrane

Heuser's membrane

Infobox Embryology
Name = PAGENAME
Latin =
GraySubject =
GrayPage =


Caption =


Caption2 =
System =
CarnegieStage =
Days = 12
Precursor =
GivesRiseTo = extraembryonic coelom
MeshName =
MeshNumber =
DorlandsPre = m_08
DorlandsSuf = 12522719

Heuser's membrane (or the exocoelomic membrane) is a short lived combination of hypoblast cells and extracellular matrix.

It surrounds the exocoelomic cavity.i.e. it lines the inner surface of the cytotrophoblast


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  • membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m …   Medical dictionary

  • Heuser membrane — Heu·ser membrane (hoiґzər) [Chester Heuser, American embryologist, 1885–1965] see exocoelomic membrane, under membrane …   Medical dictionary

  • Heuser — Chester H., U.S. embryologist, 1885–1965. See H. membrane …   Medical dictionary

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  • exocoelomic membrane — a layer of flattened cells that develops as a lining of the blastocyst or chorionic cavity just after implantation. Together with the hypoblast, it forms the covering layer of the primary yolk sac. Called also Heuser m …   Medical dictionary

  • Extra-embryonic coelom — Extraembryonic coelom The extraembryonic coelom (or chorionic cavity) is shown between the two layers of extraembryonic mesoderm (labelled mes. ) in this image of an implanted embryo. Latin coeloma extraembryonicum …   Wikipedia

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  • Extraembryonic coelom — Infobox Embryology Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Caption2 = System = CarnegieStage = 6a Days = 12 Precursor = Heuser s membrane GivesRiseTo = MeshName = MeshNumber = DorlandsPre = c 44 DorlandsSuf = 12247640 The… …   Wikipedia

  • Amniotic sac — A drawing of the amniotic sac from Gray s Anatomy …   Wikipedia

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