fertilization cone

fertilization cone
a bulging of the cytoplasm in the oocyte at the site of contact of a spermatozoon, which gradually engulfs the spermatozoon and then retracts, carrying the spermatozoon inward; called also attraction c.

Medical dictionary. 2011.

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Look at other dictionaries:

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  • fertilization cone — Protuberance on an ovum where the spermatozoon fuses with the ovum …   Dictionary of invertebrate zoology

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  • attraction cone — fertilization c …   Medical dictionary

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