Akademik

myasthenia
Muscular weakness. [G. mys, muscle, + astheneia, weakness]
- m. angiosclerotica SYN: intermittent claudication.
- m. gravis 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. SYN: Goldflam disease.

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my·as·the·nia .mī-əs-'thē-nē-ə n muscular debility also MYASTHENIA GRAVIS
my·as·then·ic -'then-ik adj

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my·as·the·nia (mi″əs-theґne-ə) [my- + asthenia] muscular weakness; any constitutional anomaly of muscle. myasthenic adj

Medical dictionary. 2011.