Немато́ды, или кру́глые че́рви, — тип первичноротых из группы линяющих. В настоящее время описано более 24 тыс. видов паразитических и свободноживущих нематод, однако оценки реального разнообразия, основывающиеся на темпах описания новых видов,. Википедия
What are roundworms nematodes?
Nematodes (roundworms) are non-segmented worms (helminths) with elongate cylindrical bodies. ... Ascaris, Trichuris, and hookworms are commonly grouped together as the soil-transmitted helminths (STHs) due to a shared aspect of their life cycles.
What is the roundworm?
What are roundworms? Roundworms are small organisms that can live in your intestine, which is part of your digestive system. Roundworms can live in the human intestine for a long time. They can be harmful and cause many problems, including abdominal (belly) pain, fever and diarrhea.
Why are nematodes called roundworms?
Structure and Function of Roundworms As their name suggests, they have a round body. This is because they have a pseudocoelom. This is one way they differ from flatworms. Another way is their complete digestive system.
What is the role of roundworms?
They generally feed on bacteria, fungi, protozoans, or decaying organic matter. By breaking down organic matter, they play an important role in the carbon cycle. Parasitic roundworms may have plant, vertebrate, or invertebrate hosts.
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