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Lecture

BMS 301 Lecture Notes - Anatomical Terms Of Motion, Paranasal Sinuses, Adduct

3 Pages
113 Views
Fall 2012

Department
Biomedical Science
Course Code
BMS 301
Professor
Mark Frasier

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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

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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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