Cestoda - Wikipedia
Cestoda is a class of parasitic worms in the flatworm phylum (Platyhelminthes). Most of the species—and the best-known—are those in the subclass Eucestoda; they are ribbon-like worms as adults, known as tapeworms.
Cestodes - Definition, Classification and Characteristics
As compared to other parasitic worms, cestodes are characterized by a long, flat body (ribbon-like) that can grow to over 20 meters in length depending on the species. They are also characterized by a segmented body that plays an important role in their life cycle.
Tapeworm | Parasitic Flatworms, Anatomy & Life Cycle | Britannica
2024年11月16日 · Tapeworm, any member of the invertebrate class Cestoda (phylum Platyhelminthes), a group of parasitic flatworms containing about 5,000 species. Tapeworms, which occur worldwide and range in size from about 1 mm (0.04 inch) to more than 15 m (50 feet), are internal parasites, affecting certain
Cestodes: Classification and General Characteristics
2022年7月24日 · Cestodes or tapeworms are the members of the class Cestoda of the phylum Platyhelminthes. About 6000 species of cestodes are identified as parasites and they are mainly intestinal. They are both marine and terrestrial; vertebrates are the definitive hosts and their intermediate hosts are crustaceans, insects, annelids, mollusks, etc.
ADW: Cestoda: INFORMATION
The cestodes, or tapeworms, differ in a number of ways from other flatworms. Their bodies are long and flat, made up of many segments called proglottids. Each proglottid is a reproductive unit, essentially a factory to produce gametes.
Cestodes: characteristics, reproduction, diseases, species
2024年12月3日 · General characteristics. Cestodes are all endoparasitic organisms with a life cycle that includes several intermediate hosts and a definitive host that is generally a vertebrate. In the latter, they almost exclusively parasitize the digestive tract or its accessory organs.
Cestoda Definition and Examples - Biology Online Dictionary
2021年7月21日 · The phylum Platyhelminthes (flatworms) is comprised of parasitic worms characterized mainly by their flattened, bilaterally symmetrical body. This phylum includes the four classes: (1) Turbellaria, (2) Trematoda, (3) Monogenea, and (4) Cestoda. Species of the class Cestoda are also commonly called as tapeworms or cestodes.
Cestoda (Tapeworms) - Encyclopedia.com
The Cestoda, comprising Gyrocotylidea, Amphilinidea, and Eucestoda, are believed to form a monophyletic and highly derived flatworm group. One of the major characters supporting their monophyly is the lack of an intestine in all stages of their development.
Cestodes | Definition, Class & Life Cycle - Lesson | Study.com
2023年11月21日 · What are the characteristics of cestodes? Cestodes are tape-like segmented flatworms. All cestodes are endoparasites and most of these worms require two hosts to complete their life...
Cestodes - SpringerLink
2016年12月23日 · In cestodes a gut is lacking. Therefore, nutritional uptake has to be mediated completely by the tegument surface. Moreover, the tegument has to resist the attack of digestive enzymes and protect against the immune responses of the host.