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Oct 30, 2023 · The vagus nerve differs slightly as it primarily supplies the organs of the chest and abdomen, as opposed to the head and neck. It is called “vagus” as it is a vagrant or wandering nerve going down to the abdomen.
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1 day ago · The vagus nerve provides parasympathetic innervation to the majority of the abdominal organs. It sends branches to the oesophagus, stomach and most of the intestinal tract – up to the splenic flexure of the large colon.
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Apr 12, 2019 · Structures derived from the sixth pharyngeal arch include: Bones and soft tissue: cricoid, arytenoid, corniculate, cuneiform cartilages. Muscles: all intrinsic laryngeal muscles except cricothyroideus. Nerve: the recurrent laryngeal branch of the vagus nerve.
- William Maish
Sep 23, 2023 · The vagus nerve, also known as the tenth cranial nerve (CN X), is one of the most complex and multifunctional nerves in the body. It is primarily a mixed nerve, meaning it contains both motor and sensory fibers, and has a significant role in the autonomic nervous system.
Aug 18, 2023 · The vagus nerve carries motor and sensory information to different organ systems of the body, including: Cardiovascular system, including the heart and major blood vessels. Respiratory system, including the lungs and airways. Digestive system, including the throat, esophagus, stomach, and intestines.
As the longest cranial nerve in the body, it’s the main component of the parasympathetic nervous system, which controls automatic bodily functions such as digestion, when the body is at rest. Historically, the vagus nerve was known as the pneumogastric nerve, because it supplies both the lungs and stomach with nerves.
Nov 7, 2022 · The origin of cell bodies for the vagus nerve originates from the nucleus ambiguous: the dorsal motor nucleus of X, the superior ganglion of X, and the inferior ganglion of X. The nerve fibers from the nucleus are efferent, special visceral (ESV) fibers that help to mediate swallowing and phonation.
