Types of roundworms

Roundworms, also known as nematodes, are a diverse group of worms that belong to the phylum Nematoda. There are many different types of roundworms, each with their own unique characteristics and habits. Here are some examples:

1. Ascaris lumbricoides: This is a type of intestinal roundworm that is one of the most common parasitic worms in humans. It can grow up to 30 centimeters long and can cause a range of symptoms including abdominal pain, nausea, and diarrhea.

2. Enterobius vermicularis: Also known as the pinworm, this is another type of intestinal roundworm that infects humans. It is one of the most common worm infections in the United States and is often seen in children. Symptoms include anal itching, insomnia, and abdominal pain.

3. Trichinella spiralis: This is a type of roundworm that can infect humans who eat undercooked or raw meat from infected animals. It can cause a condition called trichinosis, which can cause muscle pain, fever, and swelling around the eyes.

4. Hookworms: There are several different species of hookworms that can infect humans. They typically enter the body through the skin, often through bare feet. Symptoms include itching, rash, and anemia.

5. Strongyloides stercoralis: This is a type of roundworm that can infect humans who come into contact with soil contaminated with the worm's larvae. It can cause a range of symptoms including diarrhea, abdominal pain, and skin rash.

These are just a few examples of the many different types of roundworms that exist.