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30 Cards in this Set
- Front
- Back
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Major cartilages of larynx (4)
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-epiglottis
-thyroid c. -cricoid c. -arytenoid c. |
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synovial joints in the larynx (2)
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- btw cricoid/thyroid
- btw cricoid/arytenoid |
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vocal ligaments connect to ____________ of the _________ and ___________ cartilages
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-vocal processes
-arytenoid c. -thyroid c. (inner aspect) |
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true vocal folds
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-vocal lig's w/ mucous membrane
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ventricular lig.'s
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- arytenoid c. -> thyroid c. (inner aspect)
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false vocal folds
what how related to true folds |
-ventricular lig.'s w/ mucous membrane
-superior to true folds |
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aryepiglottic lig's
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- from each arytenoid c. -> epiglottis
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quadrangular membranes
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- aryepiglottic lig -> ventricular lig
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entrance to larynx
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-aditus
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space sup to ventricular folds
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-vestibule
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space btw ventricular, vocal folds
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- ventricle
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laryngeal saccule
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-extends upward from ventricle
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infraglottic cavity
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-space inf to vocal folds
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glottis
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-the 2 vocal folds & space between
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opening btw the vocal folds
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-rima glottidis
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muscles which close laryngeal inlet (3)
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-aryepiglotticus
-thyroarytenoids -thyroepiglotticus |
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post cricoarytenoid:
action |
-abduct vocal folds
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which muscles adduct the vocal folds (2)
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-lat cricoarytenoids
-transverse arytenoids |
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cricothyroid m.:
action |
-tense vocal folds
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what muscles relaxes the vocal folds
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-thyroarytenoid
-vocalis (sup portion of thyroarytenoid m.) |
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Larynx innervation:
GSE |
All vagus:
-ext branch sup laryngeal n. -> cricothyroid m. -recurrent laryngeal n. -> all other intrinsic m.'s |
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Larynx innervation:
GSA |
Sup to vocal folds:
-internal laryngeal n. Inf to vocal folds: -recurrent laryngeal n. |
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Larynx: blood supply (2)
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-sup laryngeal a. (-> sup thyroid a.)
-inf laryngeal a. (-> inf thyroid a.) |
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glossoepiglottic folds (2)
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-1 median, 2 lat
- from epiglottis -> tongue |
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space enclosed by glossoepiglottic folds
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-epiglottic valleculae
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vertebral level of larynx in adult
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- C3-C6
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3 unpaired c.'s of laryx
3 paired " " |
-thryroid c., cricoid c., epiglottic c.
-arytenoid c.'s, corniculate c.'s, cuneiform c.'s |
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features of thyroid c. (3)
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- 2 laminae (thyroid notch inbtw)
- sup/inf cornua -oblique line |
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extrinsic lig's of larynx (3)
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-thyrohyoid membrane
-median cricothyroid lig -cricotracheal lig |
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internal lig's of larynx (5)
(3 lig's, 2 membranes) |
-aryepiglottic lig's
-ventricular lig's -vocal lig's -quadrangular membrane -cricothyroid membrane |
