The timing of morphogenetic events in the regenerating forelimb of the axolotl, Ambystoma mexicanum☆☆☆
[摘要] Thetimingofmorphogeneticeventsintheregeneratingforelimboftheaxolotlwasinvestigatedbyrotationoflimbcoveringsatwell-definedstagesintheregenerativeprocess.Boththeskincoveringthestumpandtheepidermiscoveringtheregenerateweremanipulatedindependentlyandtogetherasaunit.Theresultsshowthatthetransmissionofmorphogeneticinformationcoversabroadrangeofregenerativestages.Thismorphogeneticinformationseemsfirsttobecomeirreversiblyfixedintheregeneratebythestageoflatebud.Theregenerateissensitivetostumpinfluencesatearlystagesofregeneration,butitbecomesinsensitivetostumpinfluencesbythestageofpalette.Evidenceispresentedwhichimpliesthatepidermisthatcoverstheregenerateiscapableofinfluencingmorphogenesis.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]