Fig. 1 in Morphological and molecular characterization of Cystoisospora sp. from Asian small-clawed otters Aonyx cinereus

Fig. 1. Photographs of Cystoisospora oocysts detected from Asian small-clawed otters. (a and b) Immature oocysts containing one (a) or two sporoblasts (b). (c) Mature oocysts containing two sporocysts, each with four club-shaped sporozoites. Sporozoites contained rounded retractile vacuoles (arrow). (d–f) Sporozoites containing sporocyst residuum, which was composed of numerous small granules (d and e) or a rounded granule (f).