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Many or most cases are idiopathic. The most common known cause is autonomic neuropathy of the vagus nerve, which innervates the stomach. Uncontrolled diabetes mellitus is a frequent cause of this nerve damage, but trauma to the vagus nerve is also possible. Some cases may be considered post-infectious.
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]
Measurements of vagal tone can be performed by means of either invasive or noninvasive procedures. Invasive procedures are in the minority and include vagus nerve stimulation by specific manual, breathing or electrical techniques. Noninvasive techniques mainly rely on the investigation of heart rate and heart rate variability. [4] [5] [6]
Abdominal pain covers a slew of issues including food poisoning, appendicitis, hernia, and more. Here, doctors detail common reasons why your stomach hurts. These Conditions May Be Behind Why Your ...
Here are some common causes of stomach pain and discomfort — and how to fix them. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
The vagovagal reflex is active during the receptive relaxation of the stomach in response to swallowing of food (prior to it reaching the stomach). When food enters the stomach a "vagovagal" reflex goes from the stomach to the brain, and then back again to the stomach causing active relaxation of the smooth muscle in the stomach wall.
The anterior vagal trunk is one of the two divisions (the other being the posterior vagal trunk) into which the vagus nerve splits as it passes through the esophageal hiatus to enter the abdominal cavity. [1] The anterior and posterior vagal trunks represent the inferior continuation of the esophageal nervous plexus inferior to the diaphragm. [2]
Autonomic nervous system's jurisdiction to organs in the human body edit; Organ Nerves [1] Spinal column origin [1]; stomach: PS: anterior and posterior vagal trunks; S: greater splanchnic nerves