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  • Title: An ultrastructural study of S. mansoni adult worms after administration of Trichinella spiralis antigen in vivo.
    Author: Abou-Samra LM, Hegazy IH, Fadali GA.
    Journal: J Egypt Soc Parasitol; 1992 Apr; 22(1):121-7. PubMed ID: 1578157.
    Abstract:
    The ultrastructure of S. mansoni adult worms recovered from mice that received T. spiralis antigen prior to s. mansoni infection is described. Recorded changes in the tegument of the adult male S. mansoni; complex reticular network of surface pits, complete disruption in some parts, reduction in size of muscle blocks below the tegument, appearance of abundant electron dense lysosomes in the muscle layer. Recorded changes in the reproductive organs of the adult female S. mansoni; severe disorganization of the vitelline cells with coalescence of vitelline droplets, frequent glycogen deposition and appearance of large vacuoles, the oocytes showed an increase in electron density of the cytoplasm with peripheral cortical granules. Some oocytes exhibited degenerative features.
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