cough reflex

cough reflex
the sequence of events initiated by the sensitivity of the lining of the airways and mediated by the medulla as a consequence of impulses transmitted by the vagus nerve, resulting in coughing, i.e., the clearing of the passageways of foreign matter.

Medical dictionary. 2011.

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  • Cough reflex — The cough reflex has both sensory (afferent) and motor (efferent) components. Pulmonary irritant receptors (cough receptors) in the epithelium of the respiratory tract are sensitive to both mechanical and chemical stimuli. Stimulation of the… …   Wikipedia

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  • cough — cougher, n. /kawf, kof/, v.i. 1. to expel air from the lungs suddenly with a harsh noise, often involuntarily. 2. (of an internal combustion engine) to make a similar noise as a result of the failure of one or more cylinders to fire in sequence.… …   Universalium

  • Cough center — The cough center of the brain is a region of the brain which controls coughing, located in the medulla oblongata area of the brain. Antitussives and other cough medicines focus their action on the cough center. See also Cough reflex Respiratory… …   Wikipedia

  • Cough — Cough, n. [Cg. D. kuch. See {Cough}, v. i. ] 1. A sudden, noisy, and violent expulsion of air from the chest, caused by irritation in the air passages, or by the reflex action of nervous or gastric disorder, etc. [1913 Webster] 2. The more or… …   The Collaborative International Dictionary of English

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • Cough — A rapid expulsion of air from the lungs typically in order to clear the lung airways of fluids, mucus, or material. Also called tussis. * * * 1. A sudden explosive forcing of air through the glottis, occurring immediately on opening the… …   Medical dictionary

  • reflex cough — a cough due to the irritation of some remote organ …   Medical dictionary

  • laryngeal reflex — a cough produced by irritating the larynx. * * * a type of cough reflex in which irritation of the fauces and larynx causes cough …   Medical dictionary

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