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Lecture

Laryngeal Apparatus; Laryngeal Musclarture

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Department
Linguistics
Course
LING 2P90
Professor
Richard Welland
Semester
Fall

Description
October 24, 12 Laryngeal Apparatus Cont’d Test: Only have to know up to the spaces in the Laryngeal Intrinsic Laryngeal Membranes  Quadrangular membranes: o Paired sheets of elastic tissue o Epiglottis and thyroid cartilage to corniculate cartilages and medial surfaces of arytenoid cartilages o Inferior edges from ventricular ligaments o Superior edges form Ventricular ligaments o Folds contain aryepiglottic muscle fibers  Conus Elasticus o Connects arytenoid, thyroid, and cricoid cartilages o Medial Cricothyroid ligament and 2 lateral Cricothyroid membranes (main portion) o Lateral cricothyroid membranes begin at superior edge of cricoid cartilage (form the vocal ligaments)  Pyriform Sinuses o Lateral to aditus larynges (one on each side) o Bounded by thyroid cartilage and thyrohyoid membrane (laterally) and aryepiglottic folds and quadrangular membrane (medially)  Space between the “true” vocal folds = Rima glottides (glottis)  Supra-glottal Space o Vestibule = space between aditus and ventricular folds o Ventricle = Space between ventricular folds and vocal folds  Sub-glottal spaces o Below vocal folds to inferior border of cricoid cartilage o Cone
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