Accessory nerve (CN XI): Anatomy, pathways and function - Kenhub
2023年10月30日 · Most texts will still refer to the accessory nerve as having two components. The fibers arising from the intracranial component is known as the cranial accessory nerve, while those fibers arising from the spinal nucleus are called the spinal accessory nerve.
The Accessory Nerve: Anatomy, Function, and Treatment
2023年7月17日 · The accessory nerve provides motor function (movement) to two muscles essential to neck and shoulder movement, the sternocleidomastoid (SCM) and the trapezius, as well as to the larynx (voice box) and other structures in the throat.
The Accessory Nerve (CN XI) - Course - Motor - TeachMeAnatomy
2023年10月12日 · The accessory nerve is the eleventh paired cranial nerve. It has a purely somatic motor function, innervating the sternocleidomastoid and trapezius muscles. In this article, we shall look at the anatomy of the accessory nerve – its anatomical course, motor functions and clinical correlations.
Accessory Nerve Injury - StatPearls - NCBI Bookshelf
2022年12月19日 · As the accessory nerve travels down and away from the brain, the cranial and spinal pieces of the nerve come together to form the spinal accessory nerve (SAN). The fusion of cranial and spinal contributions within the skull base forms the spinal accessory nerve.
Neuroanatomy, Cranial Nerve 11 (Accessory) - StatPearls - NCBI Bookshelf
2023年7月17日 · The accessory spinal nerve or XI cranial nerve is essential for neck and shoulder movement, the intrinsic musculature of the larynx, and the sensitive afferences of the trapezius and sternocleidomastoid musculature.
Accessory Nerve Cranial Nerve 11 - Physiopedia
The Spinal Accessory Nerve (SAN) or Cranial Nerve 11 is termed a cranial nerve as it was originally believed to originate in the brain. It has both a cranial and a spinal part, though debate still rages regarding whether the cranial part is a part of the SAN or part of the vagus nerve.
Chapter 64 Cranial Nerve XI: The Spinal Accessory Nerve
Supranuclear innervation is not well known. It has been characterized by authors as being ipsilateral, contralateral, or bilateral. It begins in the precentral gyri and descends in the corticobulbar tract.
The Accessory Nerve: A Comprehensive Review of its Anatomy, …
2018年4月16日 · The accessory nerve (Fig. 1), named after Thomas Willis (Willis, 1965) cranial nerve XI, innervates the sternocleidomastoid (SCM) and trapezius muscles.
Accessory Nerve - an overview | ScienceDirect Topics
The Accessory Nerve, in the field of Neuroscience, is a branchiomotor nerve with both spinal and cranial roots that originate separately and join briefly in the jugular foramen.
Accessory nerve - Location, Structure, Diagram, Functions
2023年9月23日 · The accessory nerve, also known as the eleventh cranial nerve (CN XI), is a unique cranial nerve that has both cranial and spinal roots. It is primarily a motor nerve, supplying muscles involved in movements of the neck and shoulders.
- 某些结果已被删除一些您可能无法访问的结果已被隐去。显示无法访问的结果