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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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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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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