doi: 10.1007/BF00329820.
The development of the primitive epithelium and true tegument in the cercaria of Schistosoma mansoni
- PMID: 163558
- DOI: 10.1007/BF00329820
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The development of the primitive epithelium and true tegument in the cercaria of Schistosoma mansoni
Z Parasitenkd.
1975.
Abstract
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.
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