Meaning of MYASTHENIA GRAVIS in English

MYASTHENIA GRAVIS

noun Etymology: New Latin, literally, grave myasthenia Date: 1900 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

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.