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Fine structure of fusion reaction in compound ascidian Botryllus primigenus OKA☆☆☆

机译:复方海鞘初生Botryllus primigenus OKA中融合反应的精细结构☆☆☆

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ThefusionreactionbetweencompatiblecoloniesinthecompoundascidianBotryllusprimigenusOKAisdescribedwiththeelectronmicroscope.Thetunicsoftwofacingcoloniesfusewitheachotherinthevicinityoftheampullara€?pada€?cellsfollowingthedisappearanceofthetunics'corticallayerfromthelowerregionoftheampullas.Subsequently,theampullasfromtwocoloniesfuseinthetip-to-sidemannerfollowingtheconstitutionofnewintercellularjunctionsandtheeliminationofdegeneratedorhealthyepithelialcellsatthecontactarea.Nomorphologicalresponsessuchasextensionofcellprocessesorformationofmicrovilliareobservedbetweentheepitheliaofthetwocoloniesatthelateralsideoftheampullas.Theseobservationsarediscussedinviewofcell-ortissue-specificinteractionandso-calleda€?controlleddegeneration.a€?
机译:ThefusionreactionbetweencompatiblecoloniesinthecompoundascidianBotryllusprimigenusOKAisdescribedwiththeelectronmicroscope.Thetunicsoftwofacingcoloniesfusewitheachotherinthevicinityoftheampullara€PADA€cellsfollowingthedisappearanceofthetunics'???corticallayerfromthelowerregionoftheampullas.Subsequently,theampullasfromtwocoloniesfuseinthetip到sidemannerfollowingtheconstitutionofnewintercellularjunctionsandtheeliminationofdegeneratedorhealthyepithelialcellsatthecontactarea.Nomorphologicalresponsessuchasextensionofcellprocessesorformationofmicrovilliareobservedbetweentheepitheliaofthetwocoloniesatthelateralsideoftheampullas.Theseobservationsarediscussedinviewofcell-ortissue-specificinteractionandso-calleda€controlleddegeneration.a€?

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