Synonyms: segmentation cavity, blastocyst cavity, cleavage cavity, blastocele
Stage Range: NF stage 7 to NF stage 13
Definition: 'A blastocoel forms during embryogenesis when a zygote (a fertilized ovum) divides into many cells through mitosis. The blastocoel is the cavity of the blastula, a closed space which is invaded by early mesenchyme and later obliterated by the enlarging archenteron.'
Component Anatomy Items:
References: NCBO BioPortal, Ontology Lookup Service