What does Carotid body mean?

Carotid body meaning in Medical Dictionary

a little "body" of structure full of capillary vessel, during the area the carotid artery limbs in neck, containing cells that feel the air and skin tightening and amounts in bloodstream and from which messages tend to be sent into medulla (within the mind) to modify the heart rate.

Carotid body meaning in General Dictionary

a chemoreceptor located near the bifurcations regarding the carotid arteries; monitors oxygen content associated with the blood and helps control respiration