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Article

Sperm: Egg ratios and putative molecular signals to modulate gamete interactions in polytocous mammals

1 Jul 1993

Abstract excerpt

Reasoning from the premises that 1) the sperm:egg ratio at the time of activation of the secondary oocyte in mammals is close to unity under conditions of spontaneous mating, 2) a majority of eggs within the cumulus oophorus of a polytocous species is fertilized in a reasonably short interval of time, and 3) spermatozoa would find it difficult to reverse their approach to the zona pellucida, it is proposed that...

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PMID: 8352938
DOI: 10.1002/mrd.1080350315

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