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- Bidders_organ abstract "Bidder's organ is a spherical, brownish organ in any member of the family Bufonidae (true toads). The organ is located just in front of the kidney, or, mesonephros. It is formed at the cranial tip of the male and female gonad during the larval stage. Normally it is inactive and contains miniature follicles which have the capability to mature (becoming active). Zoologists have experimented with the physiology of the organ by castrating male toads (removing the testes). In doing so, the Bidder's organ enlarges and produces viable oocytes, that is, egg cells, and then it produces gonadotropins, which stimulate the growth of the Müllerian ducts to form uterus and oviducts. It therefore becomes a fully sexually functional female, which leads some zoologists to conclude that toads are actually paedomorphic.However, the Bidder's organ only develops into an ovary when testes are removed experimentally or not functioning properly (e.g. due to exposure to endocrine disrupting chemicals). Importantly, females can have Bidder's organs in addition to true ovaries which suggests that the Bidder's organ might not be a rudimentary ovary. The true function of the Bidder's organ remains a mystery.It is named in honour of Friedrich Bidder.".
- Bidders_organ wikiPageExternalLink full.
- Bidders_organ wikiPageID "1126579".
- Bidders_organ wikiPageLength "3109".
- Bidders_organ wikiPageOutDegree "32".
- Bidders_organ wikiPageRevisionID "596396102".
- Bidders_organ wikiPageWikiLink Blood_vessel.
- Bidders_organ wikiPageWikiLink Cane_toad.
- Bidders_organ wikiPageWikiLink Castration.
- Bidders_organ wikiPageWikiLink Category:Animal_reproductive_system.
- Bidders_organ wikiPageWikiLink Category:Toads.
- Bidders_organ wikiPageWikiLink Connective_tissue.
- Bidders_organ wikiPageWikiLink Development,_Growth_&_Differentiation.
- Bidders_organ wikiPageWikiLink Egg_cell.
- Bidders_organ wikiPageWikiLink Endocrine_disruptor.
- Bidders_organ wikiPageWikiLink Follicle_(anatomy).
- Bidders_organ wikiPageWikiLink Friedrich_Bidder.
- Bidders_organ wikiPageWikiLink Gonad.
- Bidders_organ wikiPageWikiLink Gonadotropin.
- Bidders_organ wikiPageWikiLink Homology_(biology).
- Bidders_organ wikiPageWikiLink John_Wiley_&_Sons.
- Bidders_organ wikiPageWikiLink Kidney.
- Bidders_organ wikiPageWikiLink Mesentery.
- Bidders_organ wikiPageWikiLink Mesonephros.
- Bidders_organ wikiPageWikiLink Neoteny.
- Bidders_organ wikiPageWikiLink Oocyte.
- Bidders_organ wikiPageWikiLink Organ_(anatomy).
- Bidders_organ wikiPageWikiLink Ovary.
- Bidders_organ wikiPageWikiLink Oviduct.
- Bidders_organ wikiPageWikiLink Paramesonephric_duct.
- Bidders_organ wikiPageWikiLink Protein.
- Bidders_organ wikiPageWikiLink Skull.
- Bidders_organ wikiPageWikiLink Temperature-dependent_sex_determination.
- Bidders_organ wikiPageWikiLink Testicle.
- Bidders_organ wikiPageWikiLink True_toad.
- Bidders_organ wikiPageWikiLink Uterus.
- Bidders_organ wikiPageWikiLink Vestigiality.
- Bidders_organ wikiPageWikiLink Zona_pellucida.
- Bidders_organ wikiPageWikiLinkText "Bidder's organ".
- Bidders_organ wikiPageUsesTemplate Template:Doi.
- Bidders_organ wikiPageUsesTemplate Template:Portal.
- Bidders_organ wikiPageUsesTemplate Template:Refimprove.
- Bidders_organ subject Category:Animal_reproductive_system.
- Bidders_organ subject Category:Toads.
- Bidders_organ hypernym Organ.
- Bidders_organ type AnatomicalStructure.
- Bidders_organ comment "Bidder's organ is a spherical, brownish organ in any member of the family Bufonidae (true toads). The organ is located just in front of the kidney, or, mesonephros. It is formed at the cranial tip of the male and female gonad during the larval stage. Normally it is inactive and contains miniature follicles which have the capability to mature (becoming active). Zoologists have experimented with the physiology of the organ by castrating male toads (removing the testes).".
- Bidders_organ label "Bidder's organ".
- Bidders_organ sameAs Q2594155.
- Bidders_organ sameAs Orgaan_van_Bidder.
- Bidders_organ sameAs Narządy_Biddera.
- Bidders_organ sameAs m.048jdy.
- Bidders_organ sameAs Organul_lui_Bidder.
- Bidders_organ sameAs Q2594155.
- Bidders_organ wasDerivedFrom Bidders_organ?oldid=596396102.
- Bidders_organ isPrimaryTopicOf Bidders_organ.