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carotid sinus

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
carotid sinus
n.
A dilation of the common carotid artery at its bifurcation into the internal and external carotids, containing baroreceptors that when stimulated cause slowing of the heart, vasodilation, and a fall in blood pressure.
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As a chemoreceptor, it is distinct from the carotid sinus, which is a baroreceptor.
Nonpulsatile carotid body tumor in a teenager by Osborne, Ryan F. / Ear, Nose and Throat Journal
More importantly, in susceptible individuals, palpation over the region of the carotid sinus may cause carotid sinus syncope or worse.
Trail Guide to the Body: How to Locate Muscles, Bones, and More by Roy, William A / Physical Therapy
The study recommended pacemaker therapy for persons with carotid sinus syndrome who suffer repeated fainting spells.
Medtronic Reports Pre-charge Diluted EPS Up 16 Percent to $0.29 in ... by Business Wire
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