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Carotid Artery anatomy



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  • The carotid body and carotid sinus are innervated by the vagus nerve
  • The right common carotid artery arises from the bifurcation of the brachiocephalic artery behind the right sternoclavicular joint.
  • The left common carotid comes directly off the arch.
  • The Carotid sheath contains the Common carotid artery, internal jugular vein and vagus nerve lying between and the sympathetic chain ascends outside and just behind the carotid sheath however despite that pathology that affects one also affects all
  • The internal carotid artery gives off no branches in the neck which is helpful in differentiating from the external carotid which gives of many branches

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