blastula | ||
1. | [ noun ] (zoology,embryology) early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs | |
Synonyms: | blastodermic_vesicle blastosphere | |
Related terms: | embryo blastocyst blastocoel | |
Similar spelling: |
blastular blast blastoma blastema Blust blest blastemal blast_wave blaster blasted blastocyst blastocoel blastematic bluestem blastoporal blastoff blasting |