Class Notes (836,580)
United States (324,591)
BMS 301 (47)
Lecture

Larynx, quadrangular membrane, conus elasticus membrane, articulations, muscles, nerves, speech

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Department
Biomedical Science
Course
BMS 301
Professor
Mark Frasier
Semester
Fall

Description
31 October Larynx – Functions Protective “sphincter” of trachea Build pressure in thorax/abdomen (coughing, sneezing, &c.) Valsalva maneuver Phonation – produces raw sound Arytenoid cartilages sit atop crichoid cartilage Epiglottis attaches to thyroid cartilage Quadrangular membrane Epiglottis → arytenoid cartilages Inferior free edge – vestibular ligament Vestibular folds when covered with mucous membrane – false vocal cords Used in throat singing – sonorous Superior to true folds Conus elasticus membrane Arytenoid cartilage → thyroid cartilage Upper free edge – vocal ligament Vocal fold when covered with mucous membrane Rima glottides – space between vocal cords Ventricle of larynx – space between false and true vocal cords Area above vestibular folds – vestibule of larynx Articulations Cricoarytenoid articulation Synovial, gliding Arytenoids rotate Allow abdu
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