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This ear-cough reflex is also known as Arnold's nerve reflex (ANR), linked to the auricular branch of vagus nerve. It is an example of vagal hypersensitivity. [2] [3] Weakness of the respiratory muscles, tracheostomy, or vocal cord pathology (including paralysis or anesthesia) may prevent effective clearing of the airways.
A main reason is that patients’ cough reflex is enhanced for a month or more even from the simplest common cold, said Dr. Peter Dicpinigaitis, director of Montefiore Cough Center in New York City.
A cough is a sudden expulsion of air through the large breathing passages which can help clear them of fluids, irritants, foreign particles and microbes.As a protective reflex, coughing can be repetitive with the cough reflex following three phases: an inhalation, a forced exhalation against a closed glottis, and a violent release of air from the lungs following opening of the glottis, usually ...
Hanger reflex - reflex of unclear purpose that causes the head to rotate to the right when the top sides of the head are under pressure, named because it can be easily activated with a coat hanger; Hering–Breuer reflex — is a reflex triggered to prevent over-inflation of the lung
Dextromethorphan hydrobromide affects the signals in the brain that trigger the cough reflex. It is used as a cough suppressant, although it can sometimes be used, medicinally, as a pain reliever, and is also used as a recreational drug.
In addition, the center likely overlaps with the respiratory rhythm generator networks. [2] It is hence not so much a specific area, but a function within the respiration and reflex networks of the brainstem. Cough receptors project to relay neurones in the solitary nucleus, which project to other parts of the respiratory networks.
The other clearance mechanism is provided by the cough reflex. [2] Mucociliary clearance has a major role in pulmonary hygiene . MCC effectiveness relies on the correct properties of the airway surface liquid produced, both of the periciliary sol layer and the overlying mucus gel layer , and of the number and quality of the cilia present in the ...
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