Amniotic cavity

Amniotic cavity

Infobox Embryology
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GrayPage = 56


Caption = Model of human embryo 1.3 mm. long.


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CarnegieStage = 5a
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DorlandsPre = c_16
DorlandsSuf = 12220728
The amniotic cavity is formed by the fusion of the parts of the amniotic fold, which first makes its appearance at the cephalic extremity, and subsequently at the caudal end and sides of the embryo. As the amniotic fold rises and fuses over the dorsal aspect of the embryo, the amniotic cavity is formed.

External links

* http://www.mun.ca/biology/scarr/Amniotic_egg.html
* http://staff.um.edu.mt/acus1/IMPLANTATION.htm


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  • amniotic cavity — n the fluid filled space between the amnion and the fetus * * * the fluid filled cavity between the embryo and the amnion. It forms initially within the inner cell mass of the blastocyst and later expands over the back of the embryo, eventually… …   Medical dictionary

  • amniotic cavity — noun the fluid filled cavity that surrounds the developing embryo • Hypernyms: ↑cavity, ↑bodily cavity, ↑cavum • Part Meronyms: ↑amniotic fluid, ↑amnionic fluid, ↑waters * * * amniotic cavity …   Useful english dictionary

  • amniotic cavity — the fluid filled cavity between the embryo and the amnion. It forms initially within the inner cell mass of the blastocyst and later expands over the back of the embryo, eventually enclosing it completely. See also: amniotic fluid …   The new mediacal dictionary

  • amniotic cavity — The cavity between the amnion and the embryo in the developing egg of various invertebrates …   Dictionary of invertebrate zoology

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

  • Amniotic band syndrome — Classification and external resources ICD 10 P02.8 ICD 9 762.8 …   Wikipedia

  • Amniotic fluid — The fluid bathing the fetus and serving as a shock absorber. * * * amniotic fluid n the serous fluid in which the embryo and fetus is suspended within the amnion * * * the fluid contained within the amniotic cavity. It surrounds the growing fetus …   Medical dictionary

  • amniotic fluid — the fluid contained within the amniotic cavity. It surrounds the growing fetus, protecting it from external pressure. The fluid is initially secreted from the amnion and is later supplemented by urine from the fetal kidneys. Some of the fluid is… …   The new mediacal dictionary

  • amniotic pore — (ARTHROPODA: Insecta) An opening to the amniotic cavity during embryonic development …   Dictionary of invertebrate zoology

  • amniotic fluid — noun the serous fluid in which the embryo is suspended inside the amnion before a woman gives birth her waters break • Syn: ↑amnionic fluid, ↑waters • Hypernyms: ↑liquid body substance, ↑bodily fluid, ↑body fluid, ↑ …   Useful english dictionary

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