Multiple Sclerosis (MS) Glossary
Glossary - M
- maculopapular rash - a rash that contains both macules, a discolored spot or area on the skin that is not elevated above the surface; and papules, a small, solid, usually inflammatory bump in the skin that does not contain pus
- malaise - an indefinite feeling of debility or lack of health often indicative of, or accompanying the onset of an illness
- manic reaction - excitement of psychotic nature manifested by mental and physical hyperactivity, disorganization of behavior and (extreme) elevation of mood
- melena - the passage of dark tarry stools containing blood that has been subject to partial digestion; usually an indication of bleeding in the upper part of the digestive tract, especially the esophagus, stomach, and duodenum
- meningitis - inflammation of the meninges (lining) of the brain and spinal cord
- muscle atrophy - wasting or loss of muscle tissue resulting from disease or lack of use
- myalagia - muscular pain or tenderness
- mydriasis - excessive dilatation of the pupil of the eye usually in response to a decrease in light or certain drugs
- myocardial infarct - destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
- myopathy - disease of the muscle tissue not related to nerve function
- myositis - inflammation of muscle tissue, usually with accompanying pain and swelling