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Medical Term:

myasthenia gravis


Definition: a disorder of neuromuscular transmission marked by fluctuating weakness and fatigue of certain voluntary muscles, including those innervated by brainstem motor nuclei; caused by a marked reduction in the number of acetylcholine receptors in the postsynaptic membrane of the neuromuscular junction, resulting from an autoimmune mechanism.

Synonym(s): Goldflam disease

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.