Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «M»:
Muscular dystrophy, limb-girdle
Muscular dystrophy, limb-girdle: One of a group of diseases that may begin in childhood or later with slowly progressive weakness and wasting of the muscles restricted to the limb musculature, especially to the hips and shoulders. Muscle biopsies of the limb-girdle muscular dystrophies typically sho...
Muscular dystrophy, myotonic
Muscular dystrophy, myotonic: Myotonic dystrophy, an inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is termed myotonia (irritability and prolonged contraction of muscles). The disease also produces leads to a mask-like expressionless face, prema...
Muscular dystrophy, oculopharyngeal
Muscular dystrophy, oculopharyngeal: A form of
muscular dystrophy that begins in the muscles of the eyes
and throat. It usually appears between the ages of 40 and
60, and progresses slowly.
Oculopharyngeal muscular dystrophy is inherited in an autosomal dominant manner and affects both males and...
Muscular dystrophy, tibial
Muscular dystrophy, tibial: A specific form of muscular dystrophy in which weakness is usually confined to the anterior compartment (the front part) of the lower leg and, in particular, to the tibialis anterior muscle. The muscle weakness usually starts at age 35 to 45, or later. The disease was dis...
Muscular dystrophy, Ullrich congenital
Muscular dystrophy, Ullrich congenital: A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and hyperextensibility (looseness) of joints, particularly distal joints (well away from the trunk). The muscle weakness progresses slowly and ranges from mild to se...
Musculoskeletal and Skin Diseases, Nat'l Institute
Musculoskeletal and Skin Diseases, National Institute of Arthritis and (NIAMS): One of the
National Institutes of Health in the U.S. As its somewhat cumbersome name indicates, NIAMS's mission is a broad and important one, namely to "conduct and support a broad spectrum of research on
Musculus: The Latin for muscle. Plural: musculi. In anatomy and many medical textbooks and dictionaries, the muscles are referred to by their Latin names such as musculi abdominis (the abs), musculus gluteus maximus (the big buttock muscle), and musculus pectoralis major and minor (the pecs)....
Music therapy: The use of music in therapy; the therapeutic use of music. There are many different definitions of music therapy ranging from the trivial (a form of distraction that uses music as an aid to relaxation) to the lofty (the prescribed use of music to restore, maintain, and improve emotion...
Musical hallucination: A form of auditory hallucination in which music is heard, often the same piece of music. In most cases the music is familiar to the person.
Musical hallucinations are most common in older people, especially women, with hearing loss. This is due, it has been suggested, to sen...
Musical hallucinosis: See: Musical hallucination....
Musicomania: A singular passion for music that is excessive and beyond all reason. From the French musicomanie, from music + -mania, frenzy....
Musicotherapy: See: Music therapy....
Musset sign: See: de Musset sign....
Mustard (Arabidopsis thaliana) genome
Mustard (Arabidopsis thaliana) genome: All of the genetic information contained in Arabidopsis thaliana, a plant belonging to the mustard family.
The genomes of particular nonhuman organisms such as Arabidopsis thaliana have been studied for a number of reasons including the need to improve sequenci...
Mustard plaster: A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist cloth that is then applied to the skin. The original mistaken notion was that the mustard plaster would draw out the "bad humors." It acts as a counterirritant and increases the ...