embryonic shield


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