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The carotid sinus baroreceptor can be oversensitive to manual stimulation from the pressure applied at the carotid sinus at the carotid bifurcation. It is a condition known as 'carotid sinus hypersensitivity' (CSH), 'carotid sinus syndrome' or 'carotid sinus syncope', in which manual stimulation causes large changes in heart rate and blood ...
The carotid body is a small cluster of peripheral chemoreceptor cells and supporting sustentacular cells situated at the bifurcation of each common carotid artery in its tunica externa. [ 1 ] [ 2 ] The carotid body detects changes in the composition of arterial blood flowing through it, mainly the partial pressure of arterial oxygen , but also ...
The carotid branch of the glossopharyngeal nerve (carotid sinus nerve or Hering's nerve) is a small branch of the glossopharyngeal nerve (cranial nerve IX) that innervates the carotid sinus, and carotid body.
This part of the artery is known as the carotid sinus or the carotid bulb. The ascending portion of the cervical segment occurs distal to the bulb when the vessel walls are again parallel. The internal carotid runs vertically upward in the carotid sheath and enters the skull through the carotid canal.
Arterial baroreceptors are located in the carotid sinus (at the bifurcation of common carotid artery into external and internal carotids) and in the aortic arch. [5] The baroreceptors can identify the changes in both the average blood pressure or the rate of change in pressure with each arterial pulse.
The differing locations of the two bodies ideally position them to take advantage of different information; the carotid bodies, located on one of the main arteries of the neck, monitor partial pressure within arterial vessels while aortic body, located on the aortic arch, monitors oxygen concentration closer to the heart. [3]
Chronic sinus infections, snoring. On top of having sinus infections that would not subside, Agler, now 34, also “started to snore out of nowhere,” in 2017. Doctors wondered if he had sleep apnea.
carotid body chemoreceptors, which send impulses via the glossopharyngeal nerves; aortic arch and brachiocephalic artery high-pressure baroreceptors, which send impulses via the aortic nerve [5] carotid sinus high-pressure baroreceptors, which send impulses via the glossopharyngeal nerves