myasthenia
/ˌmaɪəsˈθiːniə/
noun
- A medical condition characterized by muscle weakness and fatigue, often due to a problem with nerve signals to the muscles.
- The patient's myasthenia made it difficult for her to lift her arms above her head.
- Treatment for myasthenia often includes medications that improve nerve-muscle communication.
- Doctors diagnosed myasthenia after noticing the man's eyelids drooping by the end of the day.