You searched for: “blastula
blastosphere, blastula
1. An embryo at an early stage of development, consisting of a hollow ball of cells.
2. An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity.
3. An animal embryo at the stage immediately following the division of the fertilized egg cell, consisting of a ball-shaped layer of cells around a fluid-filled cavity known as a blastocoel.
This entry is located in the following unit: sphero-, spher-, -sphere- (page 6)
blastula
This entry is located in the following unit: blasto-, blast-, -blast, -blastic (page 2)