Definition: The cluster of cells inside a blastocyst. These cells give rise to the embryonic disc and eventual embryo proper. They are pluripotent EMBRYONIC STEM CELLS capable of yielding many but not all cell types in a developing organism.
do not confuse with BLASTOCYTES which are undifferentiated embryonic cells, a term mostly used in foreign literature
See AlsoEmbryonic Stem Cells
Other names Inner Cell Mass of Blastocyst; Inner Cell Mass, Blastocyst