Definition of proamnion in English:

proamnion

noun prəʊˈamnɪən

Embryology

In many vertebrate embryos: an area of blastoderm, located at the cephalic end, in which there is no mesoderm separating the ectoderm and endoderm.

Late 19th century; earliest use found in American Naturalist. From pro- + amnion, after French proamnios.

nounprəʊˈamnɪən

Embryology

In many vertebrate embryos: an area of blastoderm, located at the cephalic end, in which there is no mesoderm separating the ectoderm and endoderm.

Late 19th century; earliest use found in American Naturalist. From pro- + amnion, after French proamnios.

单词	proamnion
释义	Definition of proamnion in English: proamnion noun prəʊˈamnɪən Embryology In many vertebrate embryos: an area of blastoderm, located at the cephalic end, in which there is no mesoderm separating the ectoderm and endoderm. Origin Late 19th century; earliest use found in American Naturalist. From pro- + amnion, after French proamnios. Definition of proamnion in US English: proamnion nounprəʊˈamnɪən Embryology In many vertebrate embryos: an area of blastoderm, located at the cephalic end, in which there is no mesoderm separating the ectoderm and endoderm. Origin Late 19th century; earliest use found in American Naturalist. From pro- + amnion, after French proamnios.
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