myasthenia gravis
myasthenia gra·vis
noun \-ˈgra-vəs, -ˈgrä-\Definition of MYASTHENIA GRAVIS
: a disease characterized by progressive weakness and exhaustibility of voluntary muscles without atrophy or sensory disturbance and caused by an autoimmune attack on acetylcholine receptors at the neuromuscular junction
Origin of MYASTHENIA GRAVIS
New Latin, literally, grave myasthenia
First Known Use: 1900
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