Library
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Ringworm is a skin disease caused by a fungus. Because the lesions are often circular, it was once thought to be caused by a worm curling up in the tissue. However, the condition has nothing to do with a worm.
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Roundworms, nematodes or ascarid worms are intestinal parasites that live freely in the intestine, obtaining their nutriment from the partially digested intestinal contents.
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The sarcoptic mite is responsible for canine scabies (sarcoptic mange). It lives just under the skin.
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Tapeworms as their name suggests are flattened intestinal worms that are actually made up of many small segments about 3-4 mm long. Unlike roundworms which live freely in the bowel, tapeworms attach to the wall of the small intestine by hook like mouth parts.
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Zoonoses are diseases which are transmitted from animals to man.
