myasthenia

• 一种慢性神经肌肉疾病，特征为肌肉无力和易疲劳，常累及面部和颈部，由神经肌肉接头处神经冲动传递障碍引起。

A medical term for a chronic condition involving muscle weakness and fatigue, often affecting the face and neck, caused by impaired transmission of nerve impulses at the neuromuscular junction.

不可数

1. Chronic autoimmune diseaseC2formalmedical

   A chronic autoimmune disorder characterized by fluctuating muscle weakness and fatigue, especially in the face and neck, caused by a deficiency of acetylcholine at neuromuscular junctions.

   慢性自身免疫性疾病

   • The patient was diagnosed with myasthenia after experiencing drooping eyelids.
   • Myasthenia often affects the muscles controlling eye and facial movements.
   • Treatment for myasthenia includes medications that improve nerve-muscle communication.

2. General muscular weaknessC2formalmedical

   Any condition involving abnormal weakness of the muscles, not necessarily linked to a specific disease.

   肌无力

   • The doctor noted general myasthenia in the patient's limbs after the infection.
   • Chronic fatigue can lead to a state of myasthenia in some individuals.
   • The term myasthenia is used broadly to describe any muscular weakness.