Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A disease characterized by progressive fatigue and generalized weakness of the skeletal muscles, especially those of the face, neck, arms, and legs, caused by impaired transmission of nerve impulses following an autoimmune attack on acetylcholine receptors.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin : myasthenia + Latin gravis, heavy, severe.]
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