Term
| secondary oocyte viable for |
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Definition
| 12 to 24 hours after ovulation |
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Term
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Definition
| 24 to 48 hours after ejaculation |
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Term
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Definition
-8-10 hours
-increases motility
-weakening of acrosomal membrane |
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Term
| sperm makes its way to secondary oocyte via |
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Definition
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Term
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Definition
| digest extracullular matrix between corona radiata cells |
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Term
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Definition
-binding to zona pellucida causes rise in intracellular Ca
-enzymes released from acrosome to digest ZP |
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Term
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Definition
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Term
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Definition
-Ca surge from ER causes cortical reaction
-cortical granules inside oocyte membrane release enzymes (ZIPS) that destroy receptors (slow)
-spilled fluid binds water and swells, detaching other sperm (fast) |
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Term
| Ca surge from sperm triggers |
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Definition
-completion of meiosis II
-producing ovum and second polar body
-pronuclei form and rupture to combine chromosomes
-mitotic division begins |
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