<prompt> Morula is how many ceiled -481216  <response>: Ans. is d i.e., 16 o At about 16 cells stage the blastomeres tightly align by the process of compaction to form a compact ball of cells called morula mulberry .o This process of compaction leads to segregation of cells into two groups :Inner cells inner cell massOuter cells outer ceil masso Morula enters uterine cavity 4 days after fertilization. 