Anterior jugular vein

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The anterior jugular vein is a vein in the neck that drains blood from the submandibular region and the larynx. It is one of the major veins in the neck, along with the internal jugular vein and the external jugular vein.

Anatomy

The anterior jugular vein typically originates near the hyoid bone from the confluence of several small veins in the submandibular region. It descends vertically down the neck, running superficially to the sternocleidomastoid muscle. The vein then passes deep to the sternoclavicular joint and empties into the external jugular vein or directly into the subclavian vein.

Variations

There can be significant anatomical variations in the anterior jugular vein. In some individuals, there may be a single vein, while in others, there may be a pair of veins. Additionally, the point at which the anterior jugular vein drains can vary, sometimes connecting with the internal jugular vein or the brachiocephalic vein.

Clinical significance

The anterior jugular vein is often used as an access point for central venous catheterization due to its superficial location and relatively consistent anatomy. However, care must be taken to avoid complications such as hematoma or infection.

See also

• Internal jugular vein
• External jugular vein
• Subclavian vein
• Central venous catheterization

References

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