Pinworms are also called “threadworms.” They’re the most common type of intestinal worm infection in the U.S., and one of the most common in the world. They’re thin and white, and about one-quarter to one-half inch long -- about as long as a staple.
Tapeworms are flat worms that look a bit like ribbons. Their bodies are made up of segments, and each segment is about the size of a grain of rice. Adult tapeworms can grow to be 30 feet.
Tapeworms are flat worms that look a bit like ribbons. Their bodies are made up of segments, and each segment is about the size of a grain of rice. Adult tapeworms can grow to be 30 feet.