has part has part characteristic of inheres in has modifier Laryngeal stridor Laryngeal stidor SNOMEDCT_US:41432000 The laryngeal stridor sound is usually heard during inspiratory phase, also called inspiratory stridor, and may accompanied by inspiratory difficulty in breathing. It may be due to abnormal flaccidity of the epiglottis or arytenoids. HP:0006511 SNOMEDCT_US:406444002 UMLS:C0023066 An abnormal high-pitched noisy sound, occurring during inhalation or exhalation caused by the incomplete obstruction in the throat. SNOMEDCT_US:53787002 Stridor Abnormal larynx physiology abnormal larynx