Occipital branch of posterior auricular artery

The occipital branch of the posterior auricular artery is a small arterial branch that supplies blood to the scalp region behind the ear. It is a branch of the posterior auricular artery, which itself is a branch of the external carotid artery.

Anatomy

The occipital branch arises from the posterior auricular artery, which is located behind the ear. The posterior auricular artery branches off the external carotid artery and travels posteriorly, running between the ear and the mastoid process of the temporal bone.

The occipital branch specifically supplies the scalp in the occipital region, which is the area at the back of the head. It anastomoses with other arteries in the scalp, such as the occipital artery and the superficial temporal artery, to ensure adequate blood supply to the scalp.

Function

The primary function of the occipital branch of the posterior auricular artery is to provide oxygenated blood to the scalp in the occipital region. This is important for maintaining the health of the scalp tissues and supporting hair growth.

Clinical significance

In clinical practice, the occipital branch of the posterior auricular artery may be involved in surgical procedures or in the management of scalp lacerations. Understanding its location and connections is important for surgeons performing procedures in the occipital region to avoid excessive bleeding.

Also see

• Posterior auricular artery
• Occipital artery
• External carotid artery
• Scalp anatomy