embryonic membrane


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embryonic membrane

ex′traembryon′ic mem′brane


n.
any of the membranes derived from embryonic tissue that lie outside the embryo, as the allantois, amnion, chorion, and yolk sac.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.embryonic membrane - the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)embryonic membrane - the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
fetal membrane - any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
placenta - the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
References in periodicals archive ?
At the moment, her embryonic membrane could be ruptured; so we have given her medicines to make it stronger," the doctor said.
The embryo measures 125 [+ or -] 5 [micro]m (I-E) and the distance between the embryonic membrane (I-EM) and the external capsule (I-C) is 20 [micro]m.
The embryonic membrane market calls for a range of cost-performance and leaves room for numerous options, says Charles Stone, advanced materials v.