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Orbeli effect

Pronunciation: or-ba'le

Definition: the fatigue of a muscle stimulated by its nerve (indirectly) is reduced by concurrent stimulation of sympathetic fibers to the muscle; thought to be caused by norepinephrine diffusing from adrenergic fibers which innervate blood vessels in the muscle.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.