Wordnet 3.0
NOUN (1)
1.
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;
[syn: myasthenia gravis, myasthenia]
WordNet (r) 3.0 (2006):
myasthenia gravis
n 1: 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 [syn: myasthenia gravis,
myasthenia]