mucositis Inflammation of the mucous membranes lining the digestive tract from the mouth to the anus. Mucositis is a common side effect of chemotherapy and of radiotherapy that involves any part of the digestive tract. Mucositis affects the rapidly dividing mucosal cells that line the mouth, throat, stomach, and intestines, which normally have a short…
mucosa A moist tissue membrane that lines some body cavities and organs. Also known as mucous membrane. For example, the oral mucosa is the mucous membrane that lines the mouth and throat.
mucopolysaccharidosis type VI See MaroteauxLamy syndrome.
mucopolysaccharidosis type IV See Morquio syndrome.
mucopolysaccharidosis type III See Sanfilippo syndrome.
mucopolysaccharidosis type II See Hunter syndrome.
mucopolysaccharidosis type I Also known as Hurler syndrome, Scheie syndrome, and HurlerScheie syndrome. See also Hurler syndrome.
mucopolysaccharidosis One of several inherited metabolic disorders that affect carbohydrate use by the body. Abbreviated MPS. Substances derived from carbohydrates that are called mucopolysacchardes, or glycosaminoglycans (GAGs), accumulate in body tissues because the body lacks the specific enzymes needed to metabolize or digest them. This accumulation damages and distorts tissues, stunts growth, limits muscle and…
mucolipidosis IV A type of mucolipidosis that is due to mutation in the gene that encoded mucolipin-1. Most patients with mucolipidosis IV have developmental delay, mental retardation, clouding of the cornea of the eye, and severe visual impairment.
mucolipidosis III A type of mucolipidosis that is characterized by deficiency of the enzyme N-acetylglucosamine-1-phosphotransferase and features of Hurler syndrome, but with much slower progression. Also known as pseudo-Hurler polydystrophy.
mucolipidosis II See I-cell disease.
mucolipidosis I A type of mucolipidosis that is characterized by deficiency of the enzyme neuraminidase (sialidase). There are two forms of the disease. One form is characterized by cherry red spots in the eyes, gradual loss of vision, progressive debilitating myoclonus (muscle spasms), and normal intelligence. The other form of the disease, in addition to…