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Gonopods are specialized appendages of various arthropods used in reproduction or egg-laying. In males, they facilitate the transfer of sperm from male to female during mating, and thus are a type of intromittent organ. In crustaceans and millipedes, gonopods are modified walking or swimming legs. Gonopods may be highly decorated with elaborate structures which may play roles in sperm competition, and can be used to differentiate and identify closely related species. Gonopods generally occur in one or more pairs, as opposed to the single (un-paired) reproductive organs such as the aedeagus of insects or the penis of harvestmen.

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rdf:type
rdfs:label
  • Gonopody (cs)
  • Gonópodo (es)
  • Gonopod (en)
  • Gonopode (fr)
  • Gonopode (nl)
rdfs:comment
  • Gonopody jsou první dva páry zadečkových nožek (abdominální končetiny, plovací nožky, pleopody) samců raků z čeledí a . Mají podobu drobných klepítek a slouží k předání spermatoforů samici. U některých druhů z čeledi přechází samci střídavě z reprodukce schopné formy (forma I) do formy nepářící (forma II) a naopak. Spolu se změnou formy se mění i tvar gonopod, kdy u formy I mají úzké a dlouhé hroty a mléčně bílou barvu a u formy II mají kratší a tupé hroty a žlutavou barvu. Gonopody jsou jedním z klíčových znaků při raků. (cs)
  • Los gonópodos son apéndices especializados de varios artrópodos utilizados en la reproducción o la puesta de huevos. Facilitan a los machos la transferencia de esperma a las hembras durante el apareamiento. En los crustáceos y diplópodos son patas modificadas. Algunos están muy decorados con estructuras elaboradas que pueden desempeñar funciones en la competencia espermática, y pueden usarse para diferenciar e identificar especies estrechamente relacionadas. Generalmente se encuentran en uno o más pares, en contraposición a los órganos reproductores únicos (no pareados) como el edeago de los insectos o el pene de los opiliones. (es)
  • Gonopods are specialized appendages of various arthropods used in reproduction or egg-laying. In males, they facilitate the transfer of sperm from male to female during mating, and thus are a type of intromittent organ. In crustaceans and millipedes, gonopods are modified walking or swimming legs. Gonopods may be highly decorated with elaborate structures which may play roles in sperm competition, and can be used to differentiate and identify closely related species. Gonopods generally occur in one or more pairs, as opposed to the single (un-paired) reproductive organs such as the aedeagus of insects or the penis of harvestmen. (en)
  • Le gonopode est un organe reproducteur mâle issu d'une modification d'appendices qui sont originellement des pattes. Il est présent sur les myriapodes, des crustacés décapode, des insectes ainsi que des poissons appartenant à la famille des cyprinodontidés ovovivipares. (fr)
  • Een gonopode is een uit de poten omgevormd spermakanaal bij mannelijke exemplaren van geleedpotige dieren. Het gaat om dieren uit verschillende groepen, zoals kreeftachtigen en insecten. (nl)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Oxidus_gracilis_gonopod_SEM.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Aphistogoniulus_jeekeli_holotype_gonopods_03.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Chaleponcus_gonopods.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Corydalus_cornutus_genitalia.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Desmoxytes_lingulata_gonopods.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Glomeris_troglokabyliana_telopods.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Illacme_plenipes_gonopods_in_situ.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Non-systemic_metamorphosis_in_millipedes-_Nopoiulus_kochii.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Ommatoiulus_chambiensis,_gonopod.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Sinocallipus_steineri_gonopods.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Sphaeromimus_vatovavy_posterior_telopods.jpg
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