B3L1A1S1T1U1L1A1E1
11 points
BLASTULAE is validvalid
BLASTULA, an early embryo
BLASTULA, (Greek) a hollow sphere of cells, one cell thick, formed in the cleavage of a fertilized ovum
BLASTULA, an early embryo
BLASTULA, (Greek) a hollow sphere of cells, one cell thick, formed in the cleavage of a fertilized ovum