Myxozoan Parasite in Brain of Critically Endangered Frog
Ashlie Hartigan, Cheryl Sangster, Karrie Rose, David N. Phalen, and Jan Šlapeta
Author affiliations: The University of Sydney, Sydney, New South Wales, Australia (A. Hartigan, D. N. Phalen, J. Šlapeta); Taronga Conservation Society Australia, Mosman, New South Wales, Australia (C. Sangster, K. Rose)
Figure. Acute severe encephalomalacia in the caudal brainstem of a captive Yellow-spotted bell frog from Sydney, Australia. This lesion was characterized by hemorrhage, vascular necrosis, and parasites consistent with Myxozoa (arrowhead) (hematoxylin and eosin stain; scale bar = 50 μm). Staining for axons confirmed intraaxonal location of the myxozoan parasites (inset, Holmes silver nitrate with Loxul Fast Blue stain).
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