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Incidence of Testicular Lesions in a Population of Tree Shrews (Tupaia belangeri)

机译:一群树Tu(Tupaia belangeri)睾丸病变的发生率

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BackgroundandPurpose:Thesexualactivityofmaletreeshrewsissociallyinfluenced;therefore,thetesticularlesionsinadultmaletreeshrewswereofinterest.brxmlns="http://pub2web.metastore.ingenta.coms/"/brMethods:Thetestesof229adultand9subadultmaletreeshrewswereobtainedduringroutinenecropsyandweresubjectedtolightmicroscopy.Atonetime,138animalswereexperimentallyexposedtosocialconflicts.brxmlns="http://pub2web.metastore.ingenta.coms/"/brResults:Hypospermatogenesis(testicularinactivity)wasobservedinsocialstress-exposedmalesuptotwoyearsofage.Seasonalityofhypospermatogenesiscouldnotbestatisticallysupported.Testicularatrophy,observedin21animals,wasneitherstress-norage-related;itdevelopedunilaterally,withthelefttestispreferred.Testiculartumorsdevelopedinanimalsolderthan2years,withincreasingfrequencyparticularlyofLeydigcelltumorsinanimalsmorethanfoursyearold.brxmlns="http://pub2web.metastore.ingenta.coms/"/brConclusion:TesticularlesionsweremorefrequentlyfoundinmaletreeshrewsthantheywereobservedinnonhumanprimateskeptattheGermanPrimateCenter.Connectionstosocialstresswerestatisticallysupported,particularlywithrespecttohypospermatogenesis.Testiculartumors,incontrast,weredistinctlyagerelated.
机译:BackgroundandPurpose:Thesexualactivityofmaletreeshrewsissociallyinfluenced;因此,thetesticularlesionsinadultmaletreeshrewswereofinterest 方法:Thetestesof229adultand9subadultmaletreeshrewswereobtainedduringroutinenecropsyandweresubjectedtolightmicroscopy.Atonetime,138animalswereexperimentallyexposedtosocialconflicts 结果:Hypospermatogenesis(testicularinactivity)wasobservedinsocialstress-exposedmalesuptotwoyearsofage.Seasonalityofhypospermatogenesiscouldnotbestatisticallysupported.Testicularatrophy,observedin21animals,wasneitherstress-norage有关; itdevelopedunilaterally,withthelefttestispreferred.Testiculartumorsdevelopedinanimalsolderthan2years,withincreasingfrequencyparticularlyofLeydigcelltumorsinanimalsmorethanfoursyearold 结论:睾丸病变患者经常在雄性树sh身上找到虫害。在统计上支持了社会压力,特别是在考虑到超精子形成方面。与睾丸肿瘤相反,与之无关。

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