- another name for blastula
WordReference Random House Unabridged Dictionary of American English © 2025
blas•to•sphere
(blas′tə sfēr′),USA pronunciation n. [Embryol.]
- Developmental Biologya blastula, esp. a blastocyst.
- blasto- + -sphere
Collins Concise English Dictionary © HarperCollins Publishers::
'blastosphere' also found in these entries (note: many are not synonyms or translations):