blastolysis

blas·tol·y·sis

(blas-tol'i-sis), Dissolution or destruction of the blastocyst or blast cells and subsequent death. [blasto- + G. lysis, loosening]

blastolysis

(blăs-tŏl′ĭ-sĭs) [″ + lysis, dissolution] Lysis or destruction of a germ cell or a blastoderm.