Bidder's organ | Article about Bidder's organ by The Free Dictionary

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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 ?

However, if males lose testicular function, a Bidder's organ may suddenly mature into an ovary, observes wildlife endocrinologist Louis Guillette, a coauthor on the new study.