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30 paź 2023 · Pathway. The pathway of the accessory nerve can be subdivided into several components. The nerve has an intracranial course, a brief passage through a foramen, and an extracranial course. The extracranial course can be further subdivided into the course in the anterior, and then in the posterior, triangles of the neck.
12 paź 2023 · 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.
12 kwi 2019 · Cranial nerve XI is the accessory nerve, supplying somatic motor fibres to two large muscles: the sternocleidomastoid and trapezius. In this article, we look in more detail at the structure, function and clinical relevance of the accessory nerve. Check out our summary of the cranial nerves.
16 kwi 2018 · The accessory nerve (Fig. 1), named after Thomas Willis (Willis, 1965) cranial nerve XI, innervates the sternocleidomastoid (SCM) and trapezius muscles.
17 lip 2023 · 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.
The accessory nerve (CN XI) is a motor (efferent) nerve supplying the sternocleidomastoid and trapezius muscles. Twelve cranial nerves, their exit points, anatomical course, branches and topography.
23 wrz 2023 · 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.
