Bidder's organ

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English[edit]

English Wikipedia has an article on:
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Etymology[edit]

Named after Friedrich Bidder.

Noun[edit]

Bidder's organ (plural Bidder's organs)

  1. (anatomy, zoology) A spherical, brownish organ in most members of the family Bufonidae (true toads), located just in front of the kidney, or mesonephros, and apparently involved in regulating sex hormones.