Bidder's organ


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Bidder's organ

[′bid·ərz ‚ȯr·gən]
(vertebrate zoology)
A structure in the males of some toad species that may develop into an ovary in older individuals.
References in periodicals archive ?
But these superficially normal males sported a maturing Bidder's organ, as did the intersex animals.
Like the human appendix, the Bidder's organ normally has no function.
However, as the intersex animals did, these superficially normal males sported a maturing Bidder's organ.