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Left-right Reversal Arrangement of Glochidial Threads in Sinanodonta lauta (Bivalvia: Unionidae)
http://hdl.handle.net/2237/24279
http://hdl.handle.net/2237/242796673405c-b6fa-4478-b92b-0ddf127fc930
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-06-02 | |||||
タイトル | ||||||
タイトル | Left-right Reversal Arrangement of Glochidial Threads in Sinanodonta lauta (Bivalvia: Unionidae) | |||||
言語 | en | |||||
その他のタイトル | ||||||
その他のタイトル | ヌマガイにおける幼生糸の左右逆転配置 | |||||
言語 | ja | |||||
著者 |
Akiyama, Yoshihiro B.
× Akiyama, Yoshihiro B.× Natuhara, Yoshihiro× 秋山, 吉寛× 夏原, 由博 |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | (C)日本貝類学会。利用は著作権の範囲内に限られる | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | situs inversus viscerum | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | internal thread | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | external thread | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | larva | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | freshwater mussel | |||||
抄録 | ||||||
内容記述 | This is the first report on the left-right reversal arrangement of organs in Sinanodonta lauta glochidia. A glochidial larva possesses a pair of subtriangular-shaped shells, a pair of clawlike hooks with spines at the ventral margin, internal and external glochidial threads, four pairs of sensory hair tufts and one adductor muscle. The arrangement of the internal thread and the origin of the external thread is asymmetric between the pair of valves. As a result of examination of approximately 50 glochidia by light microscopy, one was observed with the internal thread and the origin of the external thread positioned on the left valve. These morphological features are positioned on the right valve in normal glochidia. The relative position of these threads between abnormal and normal glochidia represents a left-right reversal. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
抄録 | ||||||
内容記述 | 本論文はイシガイ科貝類で初めて発見されたグロキディウム幼生の幼生糸の逆転配置について報告するものである。2011年6月に滋賀県木之本町の農業用水路で成熟したグロキディウム幼生を有するヌマガイ2個体を採集し,母貝から放出された幼生の観察を行なった。ヌマガイの幼生は1対の亜三角形の殻が1辺で接合した対称的な形をしていた。軟体部を観察した結果,外部幼生糸の根元と内部幼生糸の配置が左右非対称であり,両者はほとんどの幼生で身体の右側に位置した。約50個体の幼生を観察した結果,身体の左側に外部幼生糸の根元と内部幼生糸を有する幼生が1個体のみ確認されたことから,この個体では少なくとも内臓が部分的に左右逆転していたと考えられる。 | |||||
言語 | ja | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 日本貝類学会(Malacological Society of Japan) | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1348-2955 | |||||
書誌情報 |
en : Venus : journal of the Malacological Society of Japan 巻 73, 号 1-2, p. 65-70, 発行日 2015-01 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/24279 | |||||
識別子タイプ | HDL |