my·as·the·nia /ˌmaɪəsˈθiniə/
肌無力
my·as·the·nia /ˌmaɪəsˈθɪnɪə/ 名詞
myasthenia
n 1: 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 [syn: myasthenia gravis]
2: any muscular weakness