Disease or Syndrome
myasthenia
[ mahy-uh s-thee-nee-uh ]
Etymology:
Greek myo- (combining form of mys) = a mouse or a muscle + asthenia = weakness (from Greek a = not + sthenos = strength + -ia = condition)
Definitions related to myasthenias:
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An abnormal weakness in a muscle or group of muscles.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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(fatigable weakness) A type of weakness that occurs after a muscle group is used and lessens if the muscle group has some rest. That is, there is diminution of strength with repetitive muscle actions.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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