Descending branch of occipital artery
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| Artery: Descending branch of occipital artery | |
|---|---|
| Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries. | |
| Latin | ramus descendens arteriae occipitalis |
| Gray's | subject #144 556 |
| Source | occipital artery |
| Dorlands / Elsevier | r_02/12689843 |
The descending branch of occipital artery, the largest branch of the occipital, descends on the back of the neck, and divides into a superficial and deep portion.
- The superficial portion runs beneath the Splenius, giving off branches which pierce that muscle to supply the Trapezius and anastomose with the ascending branch of the transverse cervical.
- The deep portion runs down between the Semispinales capitis and colli, and anastomoses with the vertebral and with the a. profunda cervicalis, a branch of the costocervical trunk.
The anastomosis between these vessels assists in establishing the collateral circulation after ligature of the common carotid or subclavian artery.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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