- scratch reflex
- a spinal reflex by which an itch or other irritation of the skin causes a nearby body part to move over and briskly rub the affected area.
Medical dictionary. 2011.
scratch reflex
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Scratch reflex — The scratch reflex is a reflex transmitted by very sensitive nerve endings near the surface of the skin via the spinal cord, and is a reflex frequently inherited by mammals. The nerve signal includes positioning to pinpoint the location of the… … Wikipedia
reflex — reflexly, adv. reflexness, n. adj., n. /ree fleks/; v. /ri fleks /, adj. 1. Physiol. noting or pertaining to an involuntary response to a stimulus, the nerve impulse from a receptor being transmitted inward to a nerve center that in turn… … Universalium
Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… … Medical dictionary
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Affective sensation — An affective sensation is a sensation accompanied with a strong compulsion to act on it, causing reflex actions such as the scratch reflex or the withdrawal reflex. Affective sensations are transmitted via the spinothalamic tract through the… … Wikipedia
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
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