筋きん無む力りょく症しょう

noun

myasthenia

Medical term for muscle weakness; often used in compound names like 重症筋無力症 (myasthenia gravis).

• 筋きん無む力りょく症しょうは、筋きん肉にくの脱だつ力りょくや疲つかれやすさを引ひき起おこす病びょう気きです。

  Myasthenia is a condition that causes muscle weakness and easy fatigability.