CSDL6 - 1 Anatomy of Phonation Phonation ย Respiration ยข...

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Unformatted text preview: 1 Anatomy of Phonation Phonation ยก Respiration ยข Energy source ยก Phonation ยข Voicing ยข Product of the vibrating vocal folds ยข Occurs within the larynx ยข Source of the voice for speech ยก Voiced sounds ยข Produced by action of the vocal folds ยข Examples: ยก Voiceless sounds ยข Produced without use of the vocal folds ยข Examples: 2 Voiced and Voiceless Phonemes The Larynx ยก Superior terminal of the trachea ยก Unpaired, midline musculo-cartilaginous structure ยก Composition ยข Three unpaired cartilages ยข Three paired cartilages ยข Cartilages bound by ligaments ยข Lined with mucous membrane 3 The Larynx ยก Biological functions ยข Prevents air from escaping the lungs ยข Prevents foreign substances from entering the lungs ยข Forcefully expels foreign substances ยก Non-biological functions ยข Sound generator ยข Variable resistance to the flow of air The Larynx ยก Supportive bone ยก Cartilaginous framework ยข Three unpaired, three paired cartilages ยก Two joints ยก Extrinsic laryngeal membranes and ligaments ยก Intrinsic laryngeal membranes and ligaments ยก Extrinsic laryngeal muscles ยก Intrinsic laryngeal muscles 4 The Larynx The Hyoid Bone ยก Union between the tongue and the larynx ยก Supportive structure for the base of the tongue ยก Larynx is suspended from this bone ยก Only bone in the body that is not directly attached to any other bone ยก U-shaped, open in the posterior ยก Highly mobile structure ยก Point of attachment for several muscles 5 The Hyoid Bone The Hyoid Bone Greater cornu Corpus (body) Lesser cornu 6 The Hyoid Bone Cartilaginous Framework of the Larynx ยก Thyroid ยข Unpaired ยข Hyaline cartilage ยก Cricoid ยข Unpaired ยข Hyaline cartilage ยก Epiglottis ยข Unpaired ยข Elastic cartilage ยก Arytenoid ยข Paired ยข Hyaline cartilage ยก Corniculate ยข Paired ยข Elastic cartilage ยก Cuneiform ยข Paired ยข Elastic cartilage 7 Cartilaginous Framework of the Larynx Cartilaginous Framework of the Larynx 8 Thyroid Cartilage ยก Largest of the laryngeal cartilages ยก Composed of two plates ยข Thyroid laminae ยก Plates fused midline ยข Thyroid angle ยก Posterior aspect is open Thyroid Cartilage ยก Landmarks ยข Superior cornu ยข Inferior cornu ยข Thyroid angle ยข Thyroid notch ยข Oblique line ยข Triticial cartilage 9 Cricoid Cartilage...
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CSDL6 - 1 Anatomy of Phonation Phonation ย Respiration ยข...

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