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- The vagus nerve (cranial nerve [CN] X) is the longest in the body, containing both motor and sensory functions in afferent and efferent regards. The nerve travels widely throughout the body, affecting several organ systems and regions of the body, such as the tongue, pharynx, heart, and gastrointestinal system.
www.ncbi.nlm.nih.gov/books/NBK537171/Neuroanatomy, Cranial Nerve 10 (Vagus Nerve) - StatPearls ...
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Study with Quizlet and memorize flashcards containing terms like Which systems does the vagus nerve affect?, What are some specific tasks that the vagus nerve is responsible for?, What cardiac effects are controlled by each branch of the vagus nerve? and more.
Study with Quizlet and memorize flashcards containing terms like What cranial nerve is the vagus nerve?, What kind of information is carried in the vagus nerve?, What percentage of the vagus is sensory vs motor? and more.
Study with Quizlet and memorize flashcards containing terms like what type of nerve is the vagus nerve?, what kind of information does the vagus nerve convey?, longest cranial nerve in the body? and more.
- Cardiovascular
- Gastro-Intestinal
- Other
Many pharmacological agents can be used to potentiate vagal tone on the heart therefore slowing the heart rate. Beta-blockers, muscarinic agonists and cardiac glycosides such as Digoxin are just a few that can be used. Vasovagal syncope can ensue during a period of emotional stress for example causing a sudden drop in blood pressure and heart rate....
Lesions to the CN X are rare. A lesion to the pharyngeal branches can lead to dysphagia (difficulty swallowing) due to the involvement with the muscles of the pharynx. As CN X innervates the Palatopharyngeus and Salpingopharyngeus muscles a lesion here will cause the Palatoglossal arch to drop leading to Uvula deviation away from the affected side....
As stated above a lesion to one of the RLN’s will cause dysphonia. A lesion to both RLN’s will cause aphonia (loss of voice) and a stridor (inspiratory wheeze). Paralysis of the RLN’s usually occur due to cancer of the larynx or thyroid gland or due to surgical complications.
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Oct 30, 2023 · The vagus nerve is a mixed nerve, as it contains both afferent (sensory) and efferent (motor) fibers. This means it is responsible for not only carrying motor signals to the organs it innervates, but it also carries sensory information from these organs back to the central nervous system .
The vagus nerve is a cranial nerve that extends from the brainstem to the abdomen, playing a crucial role in transmitting signals to and from the brain to various organs in the body. It is instrumental in controlling involuntary body functions, including digestion, heart rate, and respiratory rate.
What is the vagus nerve? Your brain is connected to your body through a set of 12 crucial nerve networks that descend through your spine and branch out into your body. Of these, the vagus nerve is probably one of the most important. Its tendrils influence digestion, your heart, your reflexes and your breathing.
