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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 arches, ... a double innervation is seen only in the first pharyngeal arch. The mandibular nerve is the post ... Accessory nerve (Cranial root) ...
The pharyngeal branch ramifies upon reaching the superior border of the middle pharyngeal constrictor muscle. It is unclear whether the cranial root of accessory nerve (CN XI) [1] Sensory – pharyngeal branches of glossopharyngeal nerve. Sympathetic vasomotor – efferent fibres of the superior cervical ganglion.
The external branch functions to stretch the vocal cords by activating the cricothyroid muscle, increasing pitch. The external laryngeal nerve gives branches to pharyngeal plexus and the superior portion of the inferior pharyngeal constrictor, and communicates with the superior cardiac nerve behind the common carotid artery.
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). [1]
Special visceral efferent fibers (SVE) are the efferent nerve fibers that provide motor innervation to the muscles of the pharyngeal arches in humans, and the branchial arches in fish. [1] Some sources prefer the term "branchiomotor" [2] or "branchial efferent". [3]
The pharyngeal part is supplied by the glossopharyngeal nerve and the oral part is supplied by the lingual nerve (a branch of the mandibular branch (V3) of the trigeminal nerve) for somatosensory perception and by the chorda tympani (a branch of the facial nerve) for taste perception. Both parts of the tongue develop from different pharyngeal ...
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.