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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.
|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.