embryonic shield


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em·bry·on·ic shield

a thickened area of the embryonic blastoderm from which the embryo develops.

em·bry·on·ic shield

(em'brē-on'ik shēld)
A thickened area of the embryonic blastoderm from which the embryo develops.

embryonic shield

The two-layered blastoderm or blastodisk from which a mammalian embryo develops.
See also: shield
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