A tapeworm is a long, flat parasite that lives in the intestines of animals, including humans. It gets its name because it resembles a long, thin tape or ribbon. Full definition
The two most common types of tapeworm of cats are Taenia and Dipylidium. (cathealth.com)
Because the main cause of tapeworms in dogs is fleas it is also essential that you get rid of any infestation otherwise, the dog will become re-infected almost immediately. (dogsbarn.com)
Humans can contract this parasitic disease when a flea infected with tapeworm eggs is ingested. (bracpet.com)