myasthenia gravis

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myasthenia grav·is

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.

myasthenia gravis

(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.

myasthenia gravis

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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
autoimmune disease, autoimmune disorder - any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

myasthenia gravis

n miastenia grave or gravis
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Juvenile myasthenia gravis (JMG) is an autoimmune disease in which antibodies are directed against the postsynaptic membrane of the neuromuscular junction, resulting in muscle weakness and fatigability.
Juvenile Myasthenia Gravis (JMG), classified as MG diagnosed before the age of 19, exhibits both similarities and differences from the adult form [1].

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