[ bar-oh-ri-sep-ter ]
/ ˌbær oʊ rɪˈsɛp tər /


a nerve ending, as one of those located in the blood vessels, that responds to changes in pressure.

Origin of baroreceptor

First recorded in 1950–55; baro- + receptor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for baroreceptor



/ (ˈbærəʊrɪˌsɛptə) /


a collection of sensory nerve endings, principally in the carotid sinuses and the aortic arch, that monitor blood pressure changes in the body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for baroreceptor


[ băr′ō-rĭ-sĕptər ]


A sensory nerve ending in the walls of the auricles of the heart, vena cava, carotid sinus, and aortic arch, sensitive to stretching of the wall due to increased pressure from within, and functioning as the receptor of central reflex mechanisms that tend to reduce that pressure.pressoreceptor
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for baroreceptor


[ băr′ə-rĭ-sĕptər ]

A cell or sense organ found in the walls of the body's major arteries and stimulated by changes in blood pressure. Signals from baroceptors lead to a reduction in arterial blood pressure.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.