The development of the primitive epithelium and true tegument in the cercaria of Schistosoma mansoni
- 1 January 1975
- journal article
- research article
- Published by Springer Nature in Zeitschrift Fur Parasitenkunde-Parasitology Research
- Vol. 45 (4) , 307-318
- https://doi.org/10.1007/bf00329820
Abstract
Summary The formation of the final cercarial tegument of Schistosoma mansoni is preceded by that of a so-called primitive epithelium. The primitive epithelium is derived from the tegument of the daughter sporocyst. The final cercarial tegument is formed from peripherally located somatic cells of the cercarial embryo, which expand and coalesce beneath the primitive epithelium. The primitive epithelium degenerates and disappears. The ultrastructure of both epithelia in the course of the development of the cercaria is described in detail. Possible functions are discussed.Keywords
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