Occipital Artery, Lateral View

Description

Arising from the posterior aspect of the external carotid artery, the occipital artery is traced in lateral profile as it passes deep to the posterior belly of the digastric and the mastoid region, then curves superiorly and posteriorly toward the occipital scalp. Along its course, the vessel relates closely to the sternocleidomastoid attachment at the mastoid process and travels toward the superior nuchal line over the occipital bone, with the auricle and external acoustic meatus providing an immediate lateral landmark. Superficial facial muscles such as the masseter and temporalis frame the anterior field, while the scalp circulation becomes more prominent posteriorly. A tortuous artery. This lateral head and neck view matters because the occipital artery is a dependable landmark in posterior cervical and mastoid surgery, and its position explains common bleeding points during scalp lacerations and posterior auricular incisions. Clinically, the artery is frequently encountered during occipital nerve blocks and decompression procedures for occipital neuralgia, where the greater occipital nerve often crosses near the artery as both ascend toward the vertex, so appreciating their relationship helps avoid intravascular injection and guides targeted anesthesia. Surgeons also reference this vessel when planning pedicled occipital artery based scalp flaps and when controlling hemorrhage in the posterior scalp, where the rich anastomotic network can maintain brisk flow. Use this illustration in head and neck gross anatomy labs, neuroanatomy teaching on scalp and posterior neck landmarks, and operative atlases covering mastoid approaches, posterior cervical exposures, and regional anesthesia techniques. It also fits well in clinical education materials on scalp vascular supply, occipital neuralgia interventions, and management of posterior scalp trauma. Anatomical accuracy verified by SciePro's Medical Advisory Board.