internal fertilization

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internal fertilization

[in′tərn·əl ‚fərd·əl·ə′zā·shən]
(physiology)
Fertilization of the egg within the body of the female.
References in periodicals archive ?
In terms of mating, a penis is a handy organ to have when reproducing by internal fertilisation.
Long said that the 2005 discovery confirmed the earliest evidence of internal fertilisation.