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blastocoele

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blastocoele /blas·to·coele/ (blas´to-sēl) the fluid-filled central segmentation cavity of the blastula.blastocoe´lic
blastocoele
[blas′təsēl′]
Etymology: Gk, blastos, germ, koilos, hollow
the fluid-filled cavity of the blastocyst in mammals and the blastula or discoblastula of lower animals. The cavity increases the surface area of the developing embryo to allow better absorption of nutrients and oxygen. Also spelled blastocoel, blastocele. Also called cleavage cavity, segmentation cavity, subgerminal cavity.
blastocoele [blas´to-sēl]
the fluid-filled central segmentation cavity of the mass of the blastula.
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Embryos at the blastocyst stage of development were characterized as having a thinned zona pellucida, a turgid blastocoele cavity, and a prominent inner cell mass (ICM).
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