View example sentences, synonyms and word forms for Blastula.
Blastula
Blastula meaning
An early form in the development of an embryo, consisting of a spherical layer of cells filled with fluid; a blastosphere.
Synonyms of Blastula
Example sentences (5)
During gastrulation the cells of the blastula undergo coordinated processes of cell division, invasion, and/or migration to form two ( diploblastic ) or three ( triploblastic ) tissue layers.
The first three to four months are spent with the blastula in suspended development before it implants itself in the uterus.
The parts that are autotomised or the buds may develop directly into fully formed larvae or may develop through a gastrula or even a blastula stage.
There are some situations where many cells need to all replicate simultaneously (for example, a growing embryo should have a symmetric cell distribution until it reaches the mid-blastula transition).
The sixth cleavage occurs in a similar order and completes a 64 cell stage, finally the seventh cleavage marks the end of the cleavage stage with a blastula with 128 blastomeres.