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perivitelline space |
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perivitelline space [¦per·ə′vid·əl‚ēn ‚spās] (cell and molecular biology) In mammalian ova, the space formed between the ovum and the zona pellucida at the time of maturation, into which the polar bodies are given off. 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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| Some of these embryos remained normal at the mid-blastula 2 stage (category 0), whereas others exhibited anomalies: inhibition of hatching, precocious appearance of mesenchyme cells in the blastocele, and extrusion of some cells to the perivitelline space (Figure 7C, 8A). Sperm injected into the perivitelline space with these caps still in place cannot fertilize the egg, she says. |
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