{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:40:30Z","timestamp":1790743230736,"version":"4.1.0"},"reference-count":109,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2010,1,1]],"date-time":"2010-01-01T00:00:00Z","timestamp":1262304000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neurology Research International"],"published-print":{"date-parts":[[2010]]},"abstract":"<jats:p>Classically, the accessory nerve is described as having a cranial and a spinal root. Textbooks are inconsistent with regard to the modality of the spinal root of the accessory nerve. Some authors report the spinal root as general somatic efferent (GSE), while others list a special visceral efferent (SVE) modality. We investigated the comparative, anatomical, embryological, and molecular literature to determine which modality of the accessory nerve was accurate and why a discrepancy exists. We traced the origin of the incongruity to the writings of early comparative anatomists who believed the accessory nerve was either branchial or somatic depending on the origin of its target musculature. Both theories were supported entirely by empirical observations of anatomical and embryological dissections. We find ample evidence including very recent molecular experiments to show the cranial and spinal root are separate entities. Furthermore, we determined the modality of the spinal root is neither GSE or SVE, but a unique peripheral nerve with a distinct modality. We propose a new classification of the accessory nerve as a transitional nerve, which demonstrates characteristics of both spinal and cranial nerves.<\/jats:p>","DOI":"10.1155\/2010\/476018","type":"journal-article","created":{"date-parts":[[2011,1,13]],"date-time":"2011-01-13T19:56:34Z","timestamp":1294948594000},"page":"1-15","source":"Crossref","is-referenced-by-count":23,"title":["Transitional Nerve: A New and Original Classification of a Peripheral Nerve Supported by the Nature of the Accessory Nerve (CN XI)"],"prefix":"10.1155","volume":"2010","author":[{"given":"Brion","family":"Benninger","sequence":"first","affiliation":[{"name":"Departments of Surgery, Oral Maxillofacial Surgery and Integrative Biosciences, Schools of Medicine and Dentistry, Oregon Health and Science University, 611 SW Campus, Room 713, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan","family":"McNeil","sequence":"additional","affiliation":[{"name":"Department of Integrative Biosciences, School of Dentistry, Oregon Health and Science University, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"98","reference":[{"key":"1","year":"1999"},{"key":"2","year":"2001"},{"key":"3","year":"2002"},{"key":"4","year":"2003"},{"key":"5","year":"2002"},{"key":"6","year":"2005"},{"key":"7","year":"2006"},{"key":"8","year":"2005"},{"key":"9","year":"2006"},{"key":"10","year":"2006"},{"key":"11","year":"2006"},{"key":"12","year":"2007"},{"key":"13","year":"2006"},{"key":"14","year":"2004"},{"issue":"2","key":"15","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1002\/aja.1001180202","volume":"118","year":"1966","journal-title":"American Journal of Anatomy"},{"issue":"1","key":"16","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1159\/000146604","volume":"133","year":"1988","journal-title":"Acta Anatomica"},{"key":"17","series-title":"W. 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