The baroreceptor reflex is a physiological mechanism that helps maintain blood pressure homeostasis by detecting changes in blood vessel stretch. This reflex involves specialized sensory nerve endings called baroreceptors located primarily in the carotid arteries and aortic arch, which send signals to the central nervous system to regulate heart rate and vascular resistance in response to fluctuations in blood pressure. By doing so, it plays a crucial role in ensuring adequate blood flow to vital organs.
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