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External jugular vein: want to learn more about it?

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External jugular vein

External jugular vein (Vena jugularis externa)

The external jugular vein is a vein of the neck that arises from the union of the posterior division of the retromandibular vein and the posterior auricular vein.

The external jugular vein begins near the mandibular angle, just below or within the substance of the parotid gland. It descends obliquely along the neck, superficial to the sternocleidomastoid muscle. Upon reaching the clavicle, it crosses the deep cervical fascia and ends by draining into the subclavian vein. The main function of the external jugular vein is to drain the superficial structures of the head, i.e. the scalp and face.

Key facts about the external jugular vein
Drains from Confluence of posterior division of the retromandibular vein with the posterior auricular vein
Tributaries Cervical, suprascapular, anterior jugular veins
Drains to Subclavian vein
Drainage area Scalp, face

This article will discuss the anatomy and function of the external jugular vein.

Anatomy and course

The external jugular vein begins at the level of the mandibular angle, just below the parotid gland. It arises from the confluence of the posterior division of the retromandibular vein and the posterior auricular vein. It then descends obliquely downwards along the neck, deep to the platysma, the superficial cervical fascia and the skin. It courses superficial to the sternocleidomastoid muscle, being separated from it by the deep cervical fascia. Along its course, the external jugular vein crosses the transverse cutaneous nerve, lying parallel with the great auricular nerve. It maintains this relation until it reaches the midpoint of the clavicle, where it crosses the deep cervical fascia and ends in the subclavian vein, lateral or anterior to scalenus anterior muscle.

Besides the posterior division of the retromandibular vein and the posterior auricular vein, the external jugular vein also receives the cervical, suprascapular and anterior jugular veins as tributaries near its termination. Occasionally, it is also joined by the occipital vein and a branch from the internal jugular vein. The function of the external jugular vein is to drain the venous blood from the superficial parts of the scalp and face, as well as several deeper regions of the head.

External jugular vein: want to learn more about it?

Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster.

What do you prefer to learn with?

“I would honestly say that Kenhub cut my study time in half.” – Read more. Kim Bengochea Kim Bengochea, Regis University, Denver

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