| Answer | Crossword Clue |
|---|---|
| blastomere | A cell formed by cleavage of a fertilized ovum |
| blastomeres | A cell formed by cleavage of a fertilized ovum |
| blastular | relating to the blastula, a hollow sphere of cells, one cell thick, formed in the cleavage of a fertilized ovum |
| morulation | the process of cleavage, or segmentation, of the ovum, by which a morula is formed |
| morulations | MORULATION, the process of cleavage, or segmentation, of the ovum, by which a morula is formed |
| spermatozoon | The mature motile male sex cell of an animal, by which the ovum is fertilized, typically having a compact head and one or more long flagella for swimming |
| spermatozoa | The mature motile male sex cell of an animal, by which the ovum is fertilized, typically having a compact head and one or more long flagella for swimming |
