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Vagus nerve: location, branches and function (preview) - Neuroanatomy | Kenhub
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The vagus nerves are the tenth pair of cranial nerves and they are the longest of the twelve pairs of cranial nerves. The name comes from the Latin and means the "wandering nerve", which describes its wide distribution throughout the body. It performs many important roles within the parasympathetic nervous system. The system is one of the two antagonistic systems making up the autonomic nervous system and is craniosacral which means that it arises from the central nervous system in the cranium and from the sacral region.
The vagus nerve actually carries seventy five percent of the cranial parasympathetic function so it's pretty vital for a life.
In the full version of this tutorial, we'll be:
- describing the vagus nerve and its general course as a whole;
- then we'll take a closer look at the right and left vagus nerves;
- finally at its three functional pathways which include the parasympathetic efferent pathway, motor efferent pathway and the afferent pathways.
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