Dictionary

myasthenia gravis

noun myasthenia gra·vis \-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
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Origin of MYASTHENIA GRAVIS

New Latin, literally, grave myasthenia
First Known Use: 1900
Medical Dictionary

myasthenia gravis

noun myasthenia gra·vis \-ˈgrav-əs, -ˈgräv-\

Medical 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 neuromuscular junctions

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