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 is nematode and roundworm?
Roundworms (nematodes) are bilaterally symmetrical, worm-like organisms that are surrounded by a strong, flexible noncellular layer called a cuticle. Their body plan is simple. The cuticle is secreted by and covers a layer of epidermal cells.
What are nematodes explain?
Definition of nematode : any of a phylum (Nematoda or Nemata) of elongated cylindrical worms parasitic in animals or plants or free-living in soil or water. — called also roundworm.
What is the roundworm?
Roundworms are parasites that need to live in the body. These parasitic infections can cause diarrhea and fever. Types of roundworms in humans include pinworms and ascariasis. Often, roundworm infections come from traveling to countries with poor sanitation and hygiene. But kids can get them in the U.S. too.
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.
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