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carotid sinus

 

Definition: a slight dilation of the common carotid artery at its bifurcation into external and internal carotids; it contains baroreceptors that, when stimulated, slow the heart, cause vasodilation, and lower blood pressure; innervated primarily by the glossopharyngeal nerve.

Synonym(s): sinus caroticusTA, carotid bulb

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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