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Elsevier
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Carotid Sheath
Connective Tissue

Carotid Sheath

Vagina carotidis

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Structure

The carotid sheath is a condensation of the deep cervical fascia that encapsulates the common and internal carotid arteries, the internal jugular vein, and the vagus nerve.

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Anatomical Relations

The carotid sheath commences at the base of the sphenoid bone, as the neurovasculature emerge from the cranium, and runs inferiorly to the junction of the internal jugular and brachiocephalic veins. In the neck, the sternocleidomastoid muscle runs laterally and anteriorly, the pretracheal fascia is surrounding the thyroid gland medially, and the prevertebral fascia is located posteriorly.

Function

The carotid sheath protects the important neurovasculature running within the neck.

List of Clinical Correlates

—Disseminated dental infection

Complete Anatomy

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Complete Anatomy