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Medical Term:

gate-control theory


a theory to explain the mechanism of pain; small-fiber afferent stimuli, particularly pain, entering the substantia gelatinosa can be modulated by large-fiber afferent stimuli and descending spinal pathways so that their transmission to ascending spinal pathways is blocked (gated).

Synonym(s): gate-control hypothesis

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.