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The pharyngeal nerve is a small branch of the maxillary nerve (CN V 2), [1]: 496 arising at the posterior part of the pterygopalatine ganglion. It passes through the palatovaginal canal [ 1 ] : 370, 496 with the pharyngeal branch of the maxillary artery .
The pharyngeal branches of the glossopharyngeal nerve are three or four filaments which unite, opposite the constrictor pharyngis medius, with the pharyngeal branches of the vagus and sympathetic, to form the pharyngeal plexus. Branches from this plexus perforate the muscular coat of the pharynx and supply its muscles and mucous membrane.
The pharyngeal plexus is a nerve plexus located upon the outer surface of the pharynx. It contains a motor component (derived from the vagus nerve (cranial nerve X) ), a sensory component (derived from the glossopharyngeal nerve (cranial nerve IX) ), and sympathetic component (derived from the superior cervical ganglion ).
The pharyngeal branch of the vagus nerve is the principal motor nerve of the pharynx.It represents the motor component of the pharyngeal plexus of vagus nerve and ultimately provides motor innervation to most of the muscles of the soft palate (all but the tensor veli palatini muscle), and of the pharynx (all but the stylopharyngeus muscle).
The glossopharyngeal nerve (/ ˌ ɡ l ɒ s oʊ f ə ˈ r ɪ n (d) ʒ i ə l,-ˌ f ær ən ˈ dʒ iː ə l / [1]), also known as the ninth cranial nerve, cranial nerve IX, or simply CN IX, [2] is a cranial nerve that exits the brainstem from the sides of the upper medulla, just anterior (closer to the nose) to the vagus nerve. Being a mixed ...
The nerve receives close attention from surgeons because the nerve is at risk for injury during neck surgery, especially thyroid and parathyroid surgery; as well as esophagectomy. [20] [4] Nerve damage can be assessed by laryngoscopy, during which a stroboscopic light confirms the absence of movement in the affected side of the vocal cords. The ...
The laryngopharynx includes three major sites: the pyriform sinus, postcricoid area, and the posterior pharyngeal wall. Like the oropharynx above it, the laryngopharynx serves as a passageway for food and air and is lined with a stratified squamous epithelium. It is innervated by the pharyngeal plexus and by the recurrent laryngeal nerve.
Pharyngeal branch can refer to any one of several different structures near the pharynx: Nerves Pharyngeal branch of vagus nerve - "ramus pharyngeus nervi vagi" Pharyngeal branches of recurrent laryngeal nerve - "rami pharyngei nervi laryngei recurrentis" Pharyngeal branches of glossopharyngeal nerve - "rami pharyngei nervi glossopharyngei"