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Asthenia



Asthenia: Weakness. Lack of energy and strength. Loss of strength. Myasthenia refers to a loss of muscle strength, as in myasthenia gravis.

Asthenia is from the Greek asthenes, from a- (without) + sthenos (strength).

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  • Asthenic

    Asthenic: 1. Weak. Lacking in strength. 2. Having a slender light body. Ectomorphic. See also: Lambert-Eaton myasthenic syndrome .

  • Asthma

    A common lung disorder in which inflammation causes the bronchi to swell and narrow the airways, creating breathing difficulties that may range from mild to life-threatening. Symptoms include shortness of breath, cough, wheezing, and chest tightness. The diagnosis of asthma is based on evidence of wheezing and is confirmed with breathing tests. Many allergens and […]



  • Asthma susceptibility gene

    One of the genes that predisposes a person to asthma. A new gene family that plays a major role in asthma susceptibility has been identified. This gene family located at chromosome 5q23-35 is called Tim or Tapr. It controls the development of airway hyperreactivity (and the T cell production of interleukin 4 and 13). TIM-1 […]

  • Asthma, exercise-induced

    Asthma triggered by vigorous physical activity. It primarily affects children and young adults because of their high levels of physical activity, but it can occur at any age. Exercise-induced asthma is initiated by the fall in airway temperature during rapid breathing followed by rapid reheating with lowered ventilation. The more heat that is transferred, the […]



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