Roundworm: A type of parasitic worm that hatches in the intestines and lives there. The eggs of the roundworm usually enter the body through contaminated water or food or on fingers placed in the mouth after the hands have touched a contaminated object. 29 мар. 2021 г. Roundworm: A type of parasitic worm that hatches in the intestines and lives there. The eggs of the roundworm usually enter the body through contaminated water or food or on fingers placed in the mouth after the hands have touched a contaminated object. Roundworms (also called nematodes) are worms with a long round body. They vary in length from several millimetres to up to two metres. Roundworms are common in warm tropical countries.Roundworms have a tough covering of cuticle on the surface of their body. It prevents their body from expanding. This allows the buildup of fluid pressure in the pseudocoelom. As a result, roundworms have a hydrostatic skeleton. This provides a counterforce for the contraction of muscles lining the pseudocoelom.What is the difference between Tapeworm and Roundworm? • Roundworms are Nematodes, but tapeworms are Platyhelminthes. • Roundworms are a taxonomic phylum, while tapeworms are a taxonomic class of the Phylum: Platyhelminthes. • Roundworms have a round body with tapered ends, whereas tapeworms have dorsoventrally flattened bodies.
What is the meaning of roundworm?
Definition of roundworm : nematode; also : a related round-bodied unsegmented worm (such as a spiny-headed worm) as distinguished from a flatworm : a worm that has a round body with no segments and is sometimes a serious parasite of people and animals
What is the phylum of a roundworm?
Roundworms make up the phylum Nematoda. Roundworms have a pseudocoelom and hydrostatic skeleton. Their body is covered with tough cuticle. Free-living roundworms are found mainly in freshwater habitats. Parasitic roundworms have a variety of hosts, including humans.
Why do roundworms have a skeleton?
As a result, roundworms have a hydrostatic skeleton. This provides a counterforce for the contraction of muscles lining the pseudocoelom. This allows the worms to move efficiently along solid surfaces. Roundworms reproduce sexually. Sperm and eggs are produced by separate male and female adults.
What is the difference between roundworm and tapeworm?
Roundworm: A roundworm is a parasitic worm found in the intestines of mammals. Tapeworm: A tapeworm is a long, ribbon-like parasitic flatworm found in the intestine. Roundworm: Roundworms belong to the phylum Nematoda.
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