carotid body

carotid body

noun Anatomy.
a small mass of cells and nerve endings adjacent to the carotid sinus that, in response to chemical changes in the blood, adjusts the respiratory rate.
Also called carotid gland.


Origin:
1935–40

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American Heritage
Medical Dictionary

carotid body n.
A small epithelioid structure, located just above the bifurcation of the common carotid artery on each side that serves as a chemoreceptor organ responsive to lack of oxygen, excess of carbon dioxide, and increased concentration of hydrogen ions. Also called intercarotid body.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
carotid body  
A mass of tissue near the carotid sinus that contains chemical receptors sensitive to oxygen and pH levels in the blood and that is involved in the regulation of respiratory activity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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