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34 Cards in this Set
- Front
- Back
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Extrinsic Ligaments
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thyrohyoid membrane
cricothyroid ligament cricotracheal ligament |
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Quadrangular membrane
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between aryepiglottic ligaments and ventricular ligaments
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Arytenoid cartilages
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pyramid shaped
articulate with lamina of cricoid cartilage base of pyramid has 2 projecting processes - muscular - vocal |
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Internal ligaments
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aryepiglottic ligaments
ventricular ligaments vocal ligaments quadrangular membrane cricothyroid membrane |
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ventricular (vestibular) ligaments
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runs from arytenoid cartilage to thyroid cartilage
covered by a mucous membrane to form the false vocal folds superior to true vocal folds |
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vocal ligaments
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vocal processes of the arytenoid cartilages to the thyroid cartilages
covered by mucous membrane to form the true vocal folds |
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vestibule
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space superior to the ventricular folds
from aditus to false vocal folds |
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laryngeal saccule
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extends upwards from the venticle
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vocalis muscle - function
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relax the vocal folds
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ventricle
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lies between ventricular and vocal folds
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recurrent laryngeal nerve
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motor to all intrinsic laryngeal muscles - except cricothyroid
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infraglottic cavity
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space inferior to vocal fold (to cricothyroid)
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cricothyroid membrane
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connects cricoid cartilage to thyroid cartilage
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rima glottidis
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opening between vocal folds
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aryepiglottic ligaments
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pass from arytenoid cartilages to epiglottis
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synovial joints
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cricothyroid joint
cricoarytenoid joint |
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abducts vocal folds
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posterior cricoarytenoids
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innervation to the cricothyroid muscle
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external branch of superior laryngeal muscle
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3 paired cartilages
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arytenoid cartilages
corniculate cartilages cuneiform cartilages |
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branch off superior thyroid artery
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superior laryngeal artery
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branch off inferior thyroid artery
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inferior laryngeal artery
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sensory to below the vocal folds
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recurrent laryngeal nerve
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sensory above the vocal folds
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internal branch of the superior laryngeal nerve
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from hyoid bone to superior portion of thyroid cartilage
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thyrohyoid membrane
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Unpaired cartilages
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thyroid cartilage
cricoid cartilage epiglottic cartilage |
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muscles which close laryngeal inlet
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aryepiglotticus
thyroarytenoids thyroepiglotticus |
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aditus
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entrance to larynx
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tense vocal folds
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cricothyroid muscles
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run from epiglottis to tongue
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median and two lateral glossoepiglottic folds
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two spaces enclosed by glossoepiglottic folds
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epiglottic valleculae
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Infrahyoid muscles
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omohyoid, sternohyoid, sternothyroid, thyrohyoid
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Suprahyoid muscles
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stylohyoid, digastric, mylohyoid
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Longitudinal muscles of the pharynx
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stylopharyngeus, palatopharyngeus
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Adductors of the vocal cords
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lateral cricoarytenoid, transverse arytenoids
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