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A disease characterized by progressive fatigue and generalized weakness of the skeletal muscles, especially those of the face, neck, arms, and legs, caused by impaired transmission of nerve impulses following an autoimmune attack on acetylcholine receptors.
[New Latin : myasthenia + Latin gravis, heavy, severe.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Pathology) a chronic progressive disease in which the muscles, esp those of the head and face, become weak and easily fatigued
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
myasthe′nia gra′vis(ˈgræv ɪs, ˈgrɑ vɪs)
a disease of impaired transmission of motor nerve impulses, characterized by episodic weakness and fatigability of the muscles, caused by autoimmune destruction of acetylcholine receptors.
[1895–1900; < New Latin: serious muscle weakness]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Weakness in skeletal muscles caused by an abnormality that prevents muscles from contracting.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||myasthenia gravis - 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|
disease of the neuromuscular junction - a disease characterized by impairment of neuromuscular junctions
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myasthenia gravisn miastenia grave or gravis
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.