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 of carotid body

First recorded in 1935–40

Medical definitions for carotid body

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. intercarotid body

Scientific definitions for carotid 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.