myasthenia

Noun myasthenia has 2 senses

• myasthenia(n = noun.state) myasthenia gravis - 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;
is a kind of disease of the neuromuscular junction, autoimmune disease, autoimmune disorder

• myasthenia(n = noun.state) - any muscular weakness;
is a kind of physical condition, physiological condition, physiological state