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dc.contributor.author久保田, 信ja
dc.contributor.alternativeKubota, Shinen
dc.contributor.transcriptionクボタ, シンja
dc.date.accessioned2013-10-16T05:16:33Z-
dc.date.available2013-10-16T05:16:33Z-
dc.date.issued2006-12-30-
dc.identifier.issn0067-8716-
dc.identifier.urihttp://hdl.handle.net/2433/179189-
dc.description.abstractA mature medusa of Laodicea undulata collected at Okinawa Island, Japan, displayed life cycle reversion, i. e. direct transformation to the polyp stage. The morphology of the reverted polyp is briefly described. This species appears to be the second potentially immortal animal in the Metazoa, after another hydromedusa Turritopsis nutricula, although the present polyp colony, comprising a maximum of 4 zooids despite a wide extension of stolons, degenerated after 5 months without producing a new generation of medusae.en
dc.description.abstract南西諸島産と和歌山県田辺湾産のヤワラクラゲ(軟クラゲ目)の成熟あるいは未成熟クラゲ個体がポリプに若返ることができるか飼育により調べた結果,沖縄島産の1個体の雌クラゲ(傘径約1cm)がポリプに若返ったので,ベニクラゲ(花クラゲ目)に続く第二の不老不死のクラゲとして報告し,若返ったポリプの形態を記載する.このポリプ群体は走根を飼育容器の底に張り伸ばしたにもかかわらず,わずか4個虫だけを形成したのみで,クラゲを遊離することなく5ケ月後に退化消滅した.ja
dc.format.mimetypeapplication/pdf-
dc.language.isojpn-
dc.publisher日本生物地理学会ja
dc.rights© 2006 日本生物地理学会ja
dc.subjectLaodicea undulataen
dc.subjectJapanen
dc.subjecthydromedusaen
dc.subjectlife cycle reversionen
dc.subjectpolypen
dc.title日本産ヤワラクラゲ(刺胞動物門, ヒドロ虫綱, 軟クラゲ目)の生活史逆転ja
dc.title.alternativeLife cycle reversion of Laodicea undulata (Hydrozoa, Leptomedusae) from Japanen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.ncidAN00193863-
dc.identifier.jtitle日本生物地理学会会報ja
dc.identifier.volume61-
dc.identifier.spage85-
dc.identifier.epage88-
dc.textversionpublisher-
dcterms.accessRightsopen access-
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