Preferred Label : blastula stage;
Uberon definition : An early stage of embryonic development in animals. It is produced by cleavage of
a fertilized ovum and consists of a spherical layer of around 128 cells surrounding
a central fluid-filled cavity called the blastocoel. The blastula follows the morula
and precedes the gastrula in the developmental sequence.;
Origin ID : 0000108;
part of
- preceded by
- precedes
An early stage of embryonic development in animals. It is produced by cleavage of
a fertilized ovum and consists of a spherical layer of around 128 cells surrounding
a central fluid-filled cavity called the blastocoel. The blastula follows the morula
and precedes the gastrula in the developmental sequence.
