Noun
carotid sinus (plural carotid sinuses)
(anatomy) A small but richly innervated arterial enlargement that is located near the point in the neck where either carotid artery divides to form its main branches and that functions in the regulation of heart rate and blood pressure.
If the decrease in blood pressure is systemic (rather than occlusion of the renal artery) baroreceptors in the carotid sinus and aortic arch will be stimulated. Source: Internet
Single powerful blows to the head (particularly the jawline and temple) can produce a cerebral concussion or a carotid sinus reflex with syncope and cause a sudden, dramatic KO. Source: Internet
The arterial blood pressure homeostat Stretch receptors in the walls of the aortic arch and carotid sinus (at the beginning of the internal carotid artery ) act as arterial blood pressure sensors. Source: Internet