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Structure, histochemistry and formation of the podocyst and cuticle of Aurelia aurita

Published online by Cambridge University Press:  11 May 2009

David M. Chapman
David M. Chapman
Affiliation:
Department of Anatomy, Dalhousie University, Halifax, Canada
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Extract

At the junction between the scyphistoma's scyphopharynx-filament complex and its endoderm is a narrow zone of simple columnar cells. These cells can transform into amoebocytes which collect together and work their way to the aboral end of the polyp, where they secrete a cuticular encasement, thus forming the podocyst.

Light and electron microscopy, as well as histochemistry, show the podocyst to be a lamellated tanned chitin-protein complex covering the protoplasmic contents, which have a nucleated outer clear cytoplasmic layer and a yolky central zone which may be liquefied in places.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 48 , Issue 1 , February 1968 , pp. 187 - 208
Copyright
Copyright © Marine Biological Association of the United Kingdom 1968

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