{"refrec":{"BRefID":345580,"RR":"<b>Kitayama, C.; Tomiyasu, J.; Bochimoto, H.; Kondo, S.; Tokuda, K.; Ogawa, R.; Okubo, S.; Kondoh, D.</b> (2021). Histological findings of sperm storage in green turtle (<i>Chelonia mydas</i>) oviduct. <i>NPG Scientific Reports 11(1)</i>: 19416. <a href=\"https://dx.doi.org/10.1038/s41598-021-98917-6\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-021-98917-6</a>","BEntID":342215,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 11(1)</i>: 19416. <a href=\"https://dx.doi.org/10.1038/s41598-021-98917-6\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-021-98917-6</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kitayama, C.; Tomiyasu, J.; Bochimoto, H.; Kondo, S.; Tokuda, K.; Ogawa, R.; Okubo, S.; Kondoh, D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kitayama, C. <i>et al.</i>","Englishabstract":"Green turtles (<i>Chelonia mydas</i>) are seasonal breeders with a time lag between mating and nesting periods. We therefore investigated whether female turtles store sperm like some other animals by histologically and ultrastructurally analyzing oviducts collected from three mature female free-ranging green turtles during the breeding season in the Ogasawara Islands, Japan. The oviduct comprised an infundibulum, magnum, isthmus, uterus, and vagina. Sperm was found in the isthmus of all turtles examined. Some spermatozoa were found in the duct and acini of glands in the isthmus of two turtles with oviducts containing eggs, and a few were also located in the transition area between the uterus and vagina of one&nbsp;of the turtles. On the other hand, we also found abundant spermatozoa on the luminal surface of the isthmus of one turtle captured during mating. In most reptiles, fertilization occurs in the infundibulum or albumen region, and thus the isthmus near those areas might be suitable for storing sperm in female turtles.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Histological findings of sperm storage in green turtle (<i>Chelonia mydas</i>) oviduct","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-13 01:31:51.199970","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-10-04","DateCreate":"2021-10-04","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000702737500087","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-021-98917-6"},"refs":null,"anarec":{"AnaID":345580,"PubliDate":2021,"Pagination":"19416","XtraPublOfAnaID":null,"ISBN":null,"Volume":"11","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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