The second maturation division of the mammalian ovum occurs
Held on 30 Apr 2010 · Verified 9 Jul 2026.
shortly after ovulation before the ovum makes entry into the Fallopian tube
until after the ovum has been penetrated by a sperm
until the nucleus of the sperm has fused with that of the ovum
in the Graafian follicle following the first maturation division
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