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30 paź 2023 · The cranial accessory rootlets emerge along the posterior border of the olive (which is located at the ventrolateral surface of the medulla oblongata) below the level of the vagus nerve (CN X). It can be challenging to recognize these rootlets as there are other nearby rootlets that belong to CN XII and CN X.
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.
The accessory nerve, also known as the eleventh cranial nerve, cranial nerve XI, or simply CN XI, is a cranial nerve that supplies the sternocleidomastoid and trapezius muscles. It is classified as the eleventh of twelve pairs of cranial nerves because part of it was formerly believed to originate in the brain.
12 kwi 2019 · An overview of the accessory nerve (CN XI), including its course, branches, function, clinical assessment and clinical relevance.
17 lip 2023 · During the clinical assessment for injury to CN XI (Spinal Accessory Nerve, SAN), the trapezius and sternocleidomastoid are assessed for strength and mass.
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.
6 maj 2023 · Cranial Nerve XI. The spinal accessory nerve (CN XI) is responsible for the general somatic efferent (GSE) motor innervation of the trapezius and sternocleidomastoid muscles through the spinal nucleus of the accessory nerve. The spinal nucleus of the accessory nerve is located within the cervical spinal cord from the levels of C1 through ...
