Framework—corniculate cartilagessmall bead‐like cartilages that cap each arytenoidno real importanceFramework—Epiglottisflexibleleaflikestructureelastic cartilagelocatedjustbehindhyoidboneandrootoftongueattachedinferiorlytothyroidanglethoughttopreventfoodfromenteringlarynxduringswallowflip down during swallowCuneiform Cartilagesembeddedinaryepiglotticfoldsmembrane stretching between side of epiglottis and apex of arytenoid cartilagehelpsupportfolds&stiffenthemtomaintainopeningto larynxno role in sound productionJoints—Cricoarytenoidsaddle(diarthroidial)jointmoveablepermitsrockingandsomeglidingorslidingrockingmovementsofarytenoidsmovesvocalprocessesup andoutordownandin*Regulate opening and closing of vocal foldsarytenoid is the moving structureJoints—Cricothyroidpivot(diarthroidial)joint allowsfordecreasedseparationbetweenthyroidandcricoid cartilagesinanteriormidlinechanges characteristics of vocal foldsCSD 3112 1st Edition Lecture 17 Outline of Last Lecture I. FunctionII. Frameworka. Hyoid boneb. Thyroid Cartilagec. Cricoid Cartilaged. Arytenoid cartilagesOutline of Current Lecture III. Framework cont.a. Corniculate cartilagesb. Epiglottisc. Cuneiform cartilagesIV. Jointsa. Cricoarytenoidb. cricothyroidCurrent LecturePhonatory System Anatomy p2These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Framework—corniculate cartilagessmall bead‐like cartilages that cap each arytenoid no real importance Framework—Epiglottisflexible�leaf�like�structureelastic cartilagelocated�just�behind�hyoid�bone�and�root�of�tongueattached�inferiorly�to�thyroid�anglethought�to�prevent�food�from�entering�larynx�during�swallow flip down during swallowCuneiform Cartilagesembedded�in�aryepiglottic�folds membrane stretching between side of epiglottis and apex of arytenoid cartilagehelp�support�folds�&�stiffen�them�to�maintain�opening�to� larynx no role in sound productionJoints—Cricoarytenoidsaddle(diarthroidial)�joint moveablepermits�rocking�and�some�gliding�or�slidingrocking�movements�of�arytenoids�moves�vocal�processes�up and�out�or�down�and�in *Regulate opening and closing of vocal foldsarytenoid is the moving structureJoints—Cricothyroidpivot(diarthroidial)�joint � allows�for�decreased�separation�between�thyroid�and�cricoid� cartilages�in�anterior�midline changes characteristics of vocal
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