myasthenia gravis
nounPathology.
a disease of impaired transmission of motor nerve impulses, characterized by episodic muscle weakness and easy fatigability, especially of the face, tongue, neck, and respiratory muscles: caused by autoimmune destruction of acetylcholine receptors.Abbreviation: MG
Origin of myasthenia gravis
11895–1900; <New Latin: serious muscle weakness
Words Nearby myasthenia gravis
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British Dictionary definitions for myasthenia gravis
myasthenia gravis
/ (ˈɡrɑːvɪs) /
noun
a chronic progressive disease in which the muscles, esp those of the head and face, become weak and easily fatigued
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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