noun
- Plural of blastulation; the process or stage of embryonic development in which a blastula forms, characterized by rapid cell division and the formation of a hollow sphere of cells.
Usage: biology; developmental biology; technical
Examples
- During blastulations, the embryo undergoes rapid mitotic divisions without significant growth in overall size.
- The study of blastulations in amphibian embryos has provided crucial insights into early developmental processes.
- Blastulations occur after fertilization and before gastrulation in most animal species.
- Researchers observed distinct patterns of cell division during the blastulations phase of sea urchin development.