Biology 546
Human parasitology laboratory tutorial

The parasite on the left was purged from the intestinal tract of a dog in Manhattan, Kansas. It measured 7 mm in total length. Although this adult stage is not found in humans, the larval stages can be pathogenic. What species does it represent?

Diphyllobothrium latum
Dipylidium caninum
Echinococcus granulosus
Taenia solium

Original; photograph by S. J. Upton

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