| inspiratory stridor | A crowing sound during the inspiratory phase of respiration due to pathology involving the epiglottis or larynx. (05 Mar 2000) |
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| inspiratory | Relating to or timed during inhalation. (05 Mar 2000) |
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| inspiratory capacity | The maximum volume of air that can be inspired after reaching the end of a normal, quiet expiration. It is the sum of the tidal volume and the inspiratory reserve volume. Common abbreviation is ic. (12 Dec 1998) |
| inspiratory centre | The region of the medulla oblongata that is electrically active during inspiration and where electrical stimulation produces sustained inspiration. (05 Mar 2000) |
| inspiratory reserve volume | The extra volume of air that can be inspired with maximal effort after reaching the end of a normal, quiet inspiration. Common abbreviation is irv. (12 Dec 1998) |
| congenital stridor | Crowing inspiration occurring at birth or within the first few months of life; sometimes without apparent cause and sometimes due to abnormal flaccidity of epiglottis or arytenoids. Synonym: laryngeal stridor. (05 Mar 2000) |
| stridor | <clinical sign> The harsh sound heard on inhalation caused by air passing through a constricted passage. Seen in cases of acute croup and epiglottitis. (16 Dec 1997) |
| stridor dentium | Grinding of the teeth. (05 Mar 2000) |
| stridor serraticus | A rough grating like the sound of a saw. (05 Mar 2000) |
| expiratory stridor | A singing sound due to the semi-approximated vocal folds offering resistance to the escape of air. (05 Mar 2000) |
| laryngeal stridor | Crowing inspiration occurring at birth or within the first few months of life; sometimes without apparent cause and sometimes due to abnormal flaccidity of epiglottis or arytenoids. Synonym: laryngeal stridor. (05 Mar 2000) |