Dictionary.com
definitions

autoregulation

[aw-toh-reg-yuh-ley-shuh n]
noun
  1. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
autoregulation in Medicine

autoregulation

[ô′tō-rĕg′yə-lā′shən]
n.
  1. 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.
  2. 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.