| Answer | Crossword Clue |
|---|---|
| leucoblasts | LEUCOBLAST, an immature cell which will develop into a leucocyte |
| leucoblast | an immature cell which will develop into a leucocyte |
| spermatids | An immature male sex cell formed from a spermatocyte that can develop into a spermatozoon without further division |
| spermatid | An immature male sex cell formed from a spermatocyte that can develop into a spermatozoon without further division |
| rudiments | An undeveloped or immature part or organ, esp. a structure in an embryo or larva that will develop into an organ, limb, etc |
