What is embryoblast?

Some articles on embryoblast:

Formation of The Amniotic Cavity
... In this way the epiblastic cells migrate between the embryoblast and trophoblast ... while the remaining cells which are present between the embryoblast and trophoblast are called amnioblasts (flattened Cells) ... blastocyst progresses, a small space appears in the embryoblast, which is the primordium of the amniotic cavity ...
Induced Pluripotent Stem Cell - Identity
... Chimeric mice hESCs naturally reside within the inner cell mass (embryoblast) of blastocysts, and in the embryoblast, differentiate into the embryo ... is necessary for the embryonic stem cells within the embryoblast to differentiate and form the embryo ...
Bilaminar Blastocyst
... disc refers to the epiblast and the hypoblast, evolved from the embryoblast ... The inner cell mass, the embryoblast, begins to transform into two distinct epithelial layers just before implantation occurs ... The final two layers of the embryoblast are known collectively as the bilaminar embryonic disc as well as the bilaminar blastocyst or bilaminar blastoderm ...