blastosphere

Noun blastosphere has 1 sense

• blastosphere(n = noun.animal) blastula - 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; Array
is a kind of conceptus, embryo, fertilized egg
has parts: blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity, trophoblast
has particulars: blastocyst, blastodermic vessicle
Derived form adjective blastospheric₁