Noun
- 1. myasthenia gravis, myasthenia, disease of the neuromuscular junction, autoimmune disease, autoimmune disorder
- usage: 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
- 2. myasthenia, physical condition, physiological state, physiological condition
- usage: any muscular weakness
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