A mammal intestine tapeworm (Taenia taeniformis). This adult tapeworm has a head (scolex) with suckers and / or hooks that anchor to the intestinal wall of the host. While the tapeworm grows in the host's intestine, body segments called proglottids bud off its head and neck regions. Tapeworms have no digestive system of their own, but absorb through their skin partially digested food from the host's intestine. This species occurs most often in rabbits, cats and rodents, but sometimes humans, causing diarrhea, weight loss and abdominal discomfort. Adult tapeworms may grow 5-10 meters in length.

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