| Answer | Crossword Clue |
|---|---|
| histogenesis | The differentiation of cells into specialized tissues and organs during growth |
| histogeneses | The differentiation of cells into specialized tissues and organs during growth |
| metazoans | any of a group (Metazoa) that comprises all animals having the body composed of cells differentiated into tissues and organs and usually a digestive cavity lined with specialized cells |
| blastema | aggregation of cells in an early embryo, capable of differentiation into specialized tissue and organs |
