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The vagus nerve (/ ˈ v eɪ. ɡ ə s /), also known as the tenth cranial nerve, cranial nerve X, or simply CN X, is a cranial nerve that carries sensory fibers that create a pathway that interfaces with the parasympathetic control of the heart, lungs, and digestive tract.
The vagus nerve, named after the Latin word vagus (because the nerve controls such a broad range of target tissues – vagus in Latin literally means "wandering"), contains parasympathetic fibers that originate in the dorsal nucleus of the vagus nerve and the nucleus ambiguus in the CNS. The vagus nerve can be readily identified in the neck ...
The vagus, or tenth cranial nerve, is a primary component of the autonomic nervous system, which operates the internal organs.It transmits parasympathetic signals to and from the heart, lungs, and digestive tract. [15]
The vagus nerve is part of the parasympathetic nervous system, often called the “rest and digest” system because it helps the body relax after periods of stress and regulates bodily functions ...
Vagal tone is activity of the vagus nerve (the 10th cranial nerve) and a fundamental component of the parasympathetic branch of the autonomic nervous system.This branch of the nervous system is not under conscious control and is largely responsible for the regulation of several body compartments at rest.
The vagus nerve releases the neurotransmitter acetylcholine, [13] and is a main mediator for the parasympathetic nervous system. The vagus nerve exits the skull through the jugular foramen , moving down through the carotid sheath and dividing many times to influence multiple organ systems and directly innervating the pharynx, larynx, esophagus ...
Cell bodies of pre-ganglionic parasympathetic neurons of CN X that innervate the heart meanwhile reside in the nucleus ambiguus, and additional cell bodies of the nucleus ambiguus give rise to the branchial efferent motor fibers of the vagus nerve (CN X) terminating in the laryngeal, and pharyngeal muscles, and musculus uvulae muscle.
The on-site spa offers a massage that they named "Serious Sleep" because it focuses on the vagus nerve, which I learned are the main nerves of the body's parasympathetic nervous system ...