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Definition of Blastosphere
1. Noun. 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.
Exact synonyms: Blastula
Generic synonyms: Conceptus, Embryo, Fertilized Egg
Terms within: Blastocele, Blastocoel, Blastocoele, Cleavage Cavity, Segmentation Cavity, Trophoblast
Specialized synonyms: Blastocyst, Blastodermic Vessicle
Derivative terms: Blastospheric, Blastular
Generic synonyms: Conceptus, Embryo, Fertilized Egg
Terms within: Blastocele, Blastocoel, Blastocoele, Cleavage Cavity, Segmentation Cavity, Trophoblast
Specialized synonyms: Blastocyst, Blastodermic Vessicle
Derivative terms: Blastospheric, Blastular
Definition of Blastosphere
1. n. The hollow globe or sphere formed by the arrangement of the blastomeres on the periphery of an impregnated ovum.
Medical Definition of Blastosphere
1.