myasthenia gravis is a noun meaning "a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions". It carries one recorded sense.
a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions
Definitions, synonyms and semantic relations for myasthenia gravis come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.