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Vagus nerve Anatomy Animation / 10th Cranial nerve Origin, Course, Nuclei, Branches & Functions - NeuroanatomyNuclei ----------Dorsal nucleus - sends parasympathetic fibers to the intestinesNucleus ambiguus - sends efferent motor and parasympathetic fibers to the heartSolitary nucleus - receives special gustatory afferent from the tongue and visceral afferent fibers from organsSpinal trigeminal nucleus - receives general sensory afferent fibersBranches ---------------In the jugular fossa: meningeal, auricular branchesIn the neck: pharyngeal, superior laryngeal, recurrent laryngeal nerves; superior cardiac branchesIn the thorax: inferior cardiac nerve, anterior bronchial branches, posterior bronchial branches, esophageal branchesIn the abdomen: gastric, celiac and hepatic branchesField of innervation -------------------------------General sensory afferent fibers - sensory information from larynx, auricle, external acoustic meatus, dura mater of the posterior cranial fossaGeneral visceral afferent - information from the aortic body, esophagus, lungs, bronchi, heart, intestinesSpecial afferent - information about tasteGeneral visceral efferent - parasympathetic division that simulates smooth muscle and glands of the pharynx, larynx, thoracic and abdominal organsContent source : Dr Vishram singh neuroanatomy , Snells neuroanatomy, Kenhub, Moore, Greys Student edition and Crossman#vagusnerve #vagusnerveanatomy #neuroanatomy #anatomy #cranialnerves #10thcranialnerve #cranialnerve10 #usmle #usmlestep1 #nationalexittest #nationalexitexam #anatomyvideos #usmlevideos #uworld #mbbs #mbbs1styear #medicalanimations #anatomyanimations
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