embryoblast


em·bry·o·blast

(em'brē-ō-blast'), The mass of cells at the embryonic pole of the blastocyst that forms the embryo and some extraembryonic or adnexal tissues. Synonym(s): inner cell mass [embryo- + G. blastos, germ]

em·bry·o·blast

(em'brē-ō-blast) The cells at the embryonic pole of the blastocyst concerned with formation of the embryo per se.
Synonym(s): inner cell mass.
[embryo- + G. blastos, germ]