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blastocoel

   Also found in: Medical, Wikipedia 0.24 sec.
blas·to·coel or blas·to·coele  (blst-sl)
n.
The fluid-filled, central cavity of a blastula. Also called segmentation cavity.
blasto·coelic adj.
blastocoel or blastocoele  (blst-sl)
The fluid-filled, central cavity of a blastula.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.blastocoelblastocoel - the fluid-filled cavity inside a blastula
blastocele, blastocoele, cleavage cavity, segmentation cavity
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


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Although cleavage divisions were affected only at very high DMAE concentrations, embryos treated with lower concentrations at the two-cell stage subsequently developed malformations (Figure 3): overabundance of mesenchyme-like cells that accumulated first in the vegetal half of the blastocoel, and later occupied all of the blastocoel, blocking or inhibiting gastrulation; absence of a second pair of arms in mid-pluteus, or sometimes shortening or absence of one arm of the first pair (Figure 3H).
The sea urchin embryo as a model for mammalian developmental ... by Slotkin, Theodore A. / Environmental Health Perspectives
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