Merck Manual

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Larva, Ollulanus tricuspis, cat
ollulanus-tricuspis-larva-peregrine-sized
Larva, Ollulanus tricuspis, cat

    Third-stage larva of O tricuspis (total length approximately 500 mcm) found in the vomit of a cat using the Baermann diagnostic method. Note tricuspid tail.

Courtesy of the National Center for Veterinary Parasitology, Oklahoma State University.