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Dog tapeworm scolex (Dipylidium caninum)

Image Number: 23608B

Caption:

Dog tapeworm scolex (Dipylidium caninum). The adult has a head (scolex) with suckers (acetabula) that are used to attach to the host. This species occurs most often in dogs and cats. In some instances the tapeworm can be transmitted to humans. The dog or cat tapeworm is a type of flatworm that can parasitize animal intestines. Body segments called proglottids are budded off from the head and neck region of the tapeworm while it grows in the intestine. Tapeworms have no specialized digestive system but they can adsorb partially digested food from the hosts intestines (through skin surface). Tapeworm eggs pass through the feces of these animals and fleas and lice ingest the eggs and act as vectors to carry intermediate stages of the tapeworm. Dogs or cats may accidentally ingest the insects and the intermediate stage of the tapeworm can grow into an adult. Tapeworms can cause diarrhea, weight loss and abdominal discomfort in humans. Adult tapeworms may grow 5-10 meters in length.

Keywords:

| 23608B 03.01.07 misc. invertebrates cestode tapeworm dog tapeworm parasite Dipylidium SEM acetabula animal disease cucumber tapeworm diarrhea cat tapeworm Dipylidium caninum double-pored tapeworm flatworm human disease intestine tapeworm invertebrate invertebrates parasitic proglottid proglottids tape worm tapeworm head tapeworm scolex sucker suckers |

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