ˈblaschələ noun
( plural blastulas -ləz ; or blastu·lae -ˌlē)
Etymology: New Latin, from blast- + -ula
: an early metazoan embryo typically having the form of a hollow fluid-filled rounded cavity bounded by a single layer of cells — compare gastrula , morula
• blas·tu·lar -_lə(r) adjective
[s]blastula.jpg[/s] [
section of blastula: c blastocoel, ma macromere, mi micromere, a animal pole, v vegetal pole
]