Medical Dictionary


noun em·bryo \ˈem-brē-ˌō\
plural em·bry·os

Definition of EMBRYO

archaic :  a vertebrate at any stage of development prior to birth or hatching
:  an animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems; especially :  the developing human individual from the time of implantation to the end of the eighth week after conception—compare fetus
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
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