The occipital branch passes backward, over the Sternocleidomastoideus, to the scalp above and behind the ear. It supplies the occipitalis and the scalp in this situation and anastomoses with the occipital artery.
This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org