myasthenia
1. [ noun ] any muscular weakness
Related terms: physiological_state
2. [ noun ] (medicine) 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
Synonyms: myasthenia_gravis
Related terms: disease disease_of_the_neuromuscular_junction