— blastodermic, blastodermatic , adj.
/blas"teuh derrm'/ , n. Embryol.
1. the primitive layer of cells that results from the segmentation of the ovum.
2. the layer of cells forming the wall of the blastula, and in most vertebrates enclosing a cavity or a yolk mass.
[ 1855-60; BLASTO- + -DERM ]