Cyclophyllidea
Cyclophyllidea
Cyclophyllidea (pronounced: sy-klo-fil-lee-dee-uh) is a large order of parasitic tapeworms that are found in the intestine of vertebrates, including humans.
Etymology
The term "Cyclophyllidea" is derived from the Greek words "kyklos" meaning circle and "phyllon" meaning leaf. This refers to the circular shape of the worm's proglottids, or body segments, which resemble leaves.
Description
Cyclophyllidea tapeworms are characterized by their circular proglottids, a scolex with four suckers, and a complex life cycle that often involves two hosts. The primary host is usually a vertebrate, where the adult worm resides in the intestine. The secondary host, often an invertebrate, harbors the larval stage of the worm.
Related Terms
- Proglottid: A segment of a tapeworm, containing both male and female reproductive organs.
- Scolex: The head or anterior end of a tapeworm, equipped with suckers for attachment.
- Life cycle: The series of changes in the life of an organism, including reproduction.
- Vertebrate: An animal of a large group distinguished by the possession of a backbone or spinal column.
- Invertebrate: An animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc.
- Parasitic: Living as a parasite.
See Also
- Cestoda: The class of parasitic flatworms, commonly known as tapeworms, to which Cyclophyllidea belongs.
- Helminthology: The study of parasitic worms (helminths).
External links
- Medical encyclopedia article on Cyclophyllidea
- Wikipedia's article - Cyclophyllidea
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