Myasthenia gravis
An autoimmune neuromuscular disorder that is characterized by fatigue and exhaustion of muscles. Abbreviated MG. MG is caused by a mistaken immune response to the body’s own nicotinic acetylcholine receptors, which are found in junctions between muscles and the nervous system. The body produces antibodies that attack these receptors, preventing signals from reaching the muscles. A number of treatments are available that help, including steroids and other immunosuppressive medications and anticholinergic medications.
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- Myc-
Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Mycelium
An array of fungal filaments which was thought to resemble a display of decorative nails. From the Greek mykes, meaning fungus + helos, meaning an ornamental nail or stud.
- Mycet-
Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Myco-
Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Mycobacterium
Mycobacterium avium — which causes tuberculosis-like illness in birds and immunodeficient people; Mycobacterium leprae — which causes leprosy; Mycobacterium marinum — which causes swimming pool granuloma; Mycobacterium tuberculosis — which causes tuberculosis; and Mycobacterium ulcerans — which causes Buruli ulcer. The mycobacteria are acid-fast rod-shaped bacteria. They are usually slow-growing. Many are intracellular parasites.