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Dipylidium life cycle. Dipylidium caninum, also called the flea tapeworm, double-pored tapeworm, or cucumber tapeworm (in reference to the shape of its cucumber-seed-like proglottids, though these also resemble grains of rice or sesame seeds) is a cyclophyllid cestode that infects organisms afflicted with fleas and canine chewing lice, including dogs, cats, and sometimes human pet-owners ...
Eucestoda, commonly referred to as tapeworms, is the larger of the two subclasses of flatworms in the class Cestoda (the other subclass being Cestodaria). Larvae have six posterior hooks on the scolex (head), in contrast to the ten-hooked Cestodaria .
Once anchored to the host's intestinal wall, tapeworms absorb nutrients through their surface as their food flows past them. [12] Cestodes are unable to synthesise lipids, which they use for reproduction, and are therefore entirely dependent on their hosts. [13] The tapeworm body is composed of a series of segments called proglottids. These are ...
The obligate intermediate host is primarily the cat flea, occasionally also the cat hair flea. The tapeworm members shed in the intestine leave the anus with the feces or by active migration. The eggs are ingested by the larvae of the insects, penetrate their intestinal wall and develop in the fat body to the fin stage (cysticercoid).
Once the flea reaches adulthood, its primary goal is to find blood and then to reproduce. [15] Female fleas can lay 5000 or more eggs over their life, permitting rapid increase in numbers. [16] Generally speaking, an adult flea only lives for 2 or 3 months. Without a host to provide a blood meal, a flea's life can be as short as a few days.
Beef tapeworm: Taenia saginata: Intestines stool worldwide distribution ingestion of undercooked beef Cysticercosis-Pork tapeworm: Taenia solium: Brain, muscle, Eye (Cysts in conjunctiva/anterior chamber/sub-retinal space) stool, blood, imaging of cysts in the brain or any soft tissue Asia, Africa, South America, Southern Europe, North America.
Flea infestations can be not only annoying for both dogs and cats and humans, but also very dangerous. Problems caused by fleas may range from mild to severe itching and discomfort to skin problems and infections. Anemia may also result from flea bites in extreme circumstances. Furthermore, fleas can transmit tapeworms and diseases to pets.
A pair of tapeworm proglottids. Taenia taeniaeformis is a parasitic tapeworm, with cats as the primary definitive hosts. Sometime dogs can also be the definitive host. The intermediate hosts are rodents and less frequently lagomorphs (rabbits). The definitive host must ingest the liver of the intermediate host in order to acquire infection. [1]