myasthenia gravismyasthenia grav·is
a disease of faulty nerve conduction characterized by myasthenia, esp. of the face and neck
A disease characterized by progressive fatigue and generalized weakness of the skeletal muscles, especially those of the face, neck, arms, and legs, caused by impaired transmission of nerve impulses following an autoimmune attack on acetylcholine receptors.
Origin of myasthenia gravisNew Latin myasthenia Latin gravis heavy, severe