[aw-toh-reg-yuh-ley-shuh n]


the continual automatic adjustment or self-regulation of a biochemical, physiological, or ecological system to maintain a stable state.

Origin of autoregulation

First recorded in 1965–70; auto-1 + regulation
Related formsau·to·reg·u·la·tive [aw-toh-reg-yuh-ley-tiv, -luh-tiv] /ˌɔ toʊˈrɛg yəˌleɪ tɪv, -lə tɪv/, au·to·reg·u·la·to·ry [aw-toh-reg-yuh-luh-tawr-ee, -tohr-ee] /ˌɔ toʊˈrɛg yə ləˌtɔr i, -ˌtoʊr i/, adjectiveau·to·reg·u·la·tive·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

autoregulation in Medicine




The tendency of the blood flow toward an organ or part to remain at or return to the same level despite changes in arterial pressure.
A biological system equipped with inhibitory feedback systems such that a given change tends to be largely or completely counteracted.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.