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Biol Bull 142: 1-10. (February 1972)
© 1972 Marine Biological Laboratory
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STRUCTURAL AND CHEMICAL ASPECTS OF THE PODOCYST CUTICLE OF THE SCYPHOZOAN MEDUSA, CHRYSAORA QUINQUECIRRHA

R. S. BLANQUET 1

1 Department of Biology, Georgetown University, Washington, D. C. 20007

1. The podocyst cuticle of the medusa, Chrysaora quinquecirrha is composed of a chitin-protein complex tanned by phenolic substances as demonstrated by chromatographic and enzymatic analysis.

2. Electron micrographs reveal this material to be arranged as concentric layers which, in turn, are composed of microfibers.

3. Evidence is presented which suggests that the encysting cells retain the ability to manufacture new cuticle during encystment.






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Copyright © 1972 by the Marine Biological Laboratory.