cleavage cavity


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cleavage cavity - the fluid-filled cavity inside a blastulacleavage cavity - the fluid-filled cavity inside a blastula
blastosphere, 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
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body