Rheumatoid arthritis (RA) is a common condition affecting around 1% of the population. Around 90% of patients with RA have cervical spine involvement with between 11% and 58% of these patients having neurological involvement.3,4 Many of these patients have cervical myelopathy.
Pinworms are a type of parasite that lives in the digestive system of humans. They are common throughout the world. Adult pinworms are about 0.5 in. (12.7 mm) long and look like little white threads. Pinworm eggs are so tiny, you'd need a microscope to see them.
Roundworms â These parasitic worms tend to look like pieces of spaghetti, or like white earthworms. There are many different types of roundworms that can live in peopleâs bodies. They can vary in size, from being barely visible, to about four feet (about 1.2 meters) long.he main types of parasitic worms that can infect people are flukes, roundworms, and tapeworms. Hereâs some basic information about each of these three types of parasitic worms.