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  • Title: Isospora riyadhensis n. sp. (Apicomplexa: Eimeriidae) from the worm lizard Diplometopon zarudnyi Nikolskii (Amphisbaenia: Trogonophidae) in Saudi Arabia.
    Author: Abdel-Baki AA, Al-Quraishy S.
    Journal: Syst Parasitol; 2011 Nov; 80(3):231-5. PubMed ID: 22002025.
    Abstract:
    Isospora riyadhensis n. sp. is described from the intestine of the worm lizard Diplometopon zarudnyi Nikolskii in Saudi Arabia, where its prevalence was 26.6%. Its oöcysts are spherical to subspherical and measure 23 × 20 μm. The sporocysts, which are tetrazoic and ovoid, measure 13 × 8 μm, whereas their sporozoites are banana-shaped, have anterior and posterior refractile bodies and measure 12 × 3 μm. Oöcysts are passed unsporulated, and the majority become fully sporulated within 3 days at 25 ° C. All endogenous stages develop in the cytoplasm of epithelial cells in the posterior region of the small intestine, from where meronts, microgamonts and macrogamonts are described.
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