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The vagus nerve is also responsible for regulating inflammation in the body, via the inflammatory reflex. [7] Efferent vagus nerve fibers innervating the pharynx and back of the throat are responsible for the gag reflex. In addition, 5-HT 3 receptor-mediated afferent vagus stimulation in the gut due to gastroenteritis is a cause of vomiting. [8]
Truncal vagotomy is a treatment option for chronic duodenal ulcers. [5] [6] It was once considered the gold standard, but is now usually reserved for patients who have failed the first-line "triple therapy" against Helicobacter pylori infection: two antibiotics (clarithromycin and amoxicillin or metronidazole) and a proton pump inhibitor (e.g., omeprazole).
Fibers cross over to and join the vagus nerve in the jugular foramen. [8]: 86–88 Sensory cell bodies are located in the inferior jugular ganglion, [9] and the fibers terminate in the solitary nucleus. [8]: 86–88 Parasympathetic fibers to segments of the trachea and esophagus in the neck originate in the dorsal nucleus of the vagus nerve. [9]
The enteric nervous system is capable of operating independently of the brain and spinal cord, [6] but is thought to rely on innervation from the vagus nerve and prevertebral ganglia in healthy subjects. However, studies have shown that the system is operable with a severed vagus nerve. [7]
This type of vagus nerve stimulation device was approved for treatment-resistant depression nearly two decades ago by the US Food and Drug Administration, but did not become widely available.
Sipping very cold water is a popular remedy to help stimulate the vagus nerve and interrupt the reflex arc, says Adamian. Gargle water. Gargling water can also stimulate the vagus nerve, which may ...
The superior laryngeal nerve is a branch of the vagus nerve. It arises from the middle of the inferior ganglion of the vagus nerve and additionally receives a sympathetic branch from the superior cervical ganglion .
The vagus nerve “has over 100,000 individual nerves in a bundle,” said neuroscientist Dr. Bashar Badran, associate professor of psychiatry and director of the Neuro-X Lab at the Medical ...