1. Plural of myasthenia; conditions characterized by muscle weakness and fatigue, especially myasthenia gravis, an autoimmune disorder affecting the neuromuscular junction.
Usage: Medical/clinical term; Usually used in plural when referring to multiple cases or types of the condition

Examples

• The hospital's neurology department treated several patients with different myasthenias.
• Myasthenias can vary significantly in severity and progression between individuals.
• Researchers are studying the genetic factors that contribute to various myasthenias.
• The diagnosis of myasthenias requires specialized testing and clinical evaluation.
• Treatment options for myasthenias have improved considerably over the past decade.