auto regulation

Medical Dictionary

autoregulation au·to·reg·u·la·tion (ô'tō-rěg'yə-lā'shən)

  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.
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