WebApr 12, 2024 · It contains the nuclei of the four inferiormost cranial nerves: the glossopharyngeal nerve (CN IX), vagus nerve (CN X), accessory nerve (CN XI), and the hypoglossal nerve (CN XII). This article will discuss the anatomy and function of the medulla oblongata. Contents Gross anatomy Ventral surface Dorsal surface Internal anatomy: … WebAug 4, 2024 · CN XI (spinal accessory nerve): CN11 controls the spinal accessory nucleus, and nucleus ambiguus for muscles used in neck and shoulder movement. CN XII (hypoglossal nerve): CN12 controls the hypoglossal nucleus for muscles of the tongue . 4. Sources Merriam-Webster Definitions. (Last Accessed: October 2024) …
A comprehensive review with potential significance during
WebThis review of hypoglossal nerve, spinal accessory nerve, and spinomedullary region intraoperative monitoring details pertinent central and extramedullary anatomy, an … WebDisorders of the 12th cranial nerve (hypoglossal nerve) cause weakness or wasting (atrophy) of the tongue on the affected side. This nerve moves the tongue. Hypoglossal … how to watch spurs v aston villa
Spinal Accessory Nucleus - an overview ScienceDirect Topics
WebThe spinal accessory nerve (CN XI) is classified as a special visceral efferent nerve because it innervates striated muscles that arise embryologically from the branchial arches. 6 CN XI consists of two distinct portions, the cranial (or accessory) portion and the spinal portion (Fig. 14‐2). 8 These are sometimes referred to as the ramus ... WebThe accessory nerve derives from the basal plate of the embryonic spinal segments C1 to C6. • Hypoglossal nerve—CN XII. This nerve innervates all extrinsic and intrinsic muscles of the tongue, except for the palatoglossus muscle, which is innervated by the vagus nerve. WebThe hypoglossal nerve leaves the skull through the hypoglossal canal, which is situated near the large opening for the spinal cord, the foramen magnum . After leaving the skull, the hypoglossal nerve spirals around the vagus … how to watch spurs today