g22: larynx - university of utah · 2008-10-31 · g22: larynx david a. morton, ph.d. syllabus -...
TRANSCRIPT
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G22: Larynx
David A. Morton, Ph.D.
Syllabus - Pg. 79
ANAT 6010- Medical Gross Anatomy
Group A: Pharynx (Cadaver Lab)
Group B: Clinical Apps (HSEB 1700)
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Objectives
1. Cartilaginous structure of the larynx2. Musculature, blood supply and innervation ofthe larynx
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Larynx
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Larynx
GAFS Fig. 8.186
Medial view; Sagittal Section
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Movements of the laryngeal cartilages
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GAFS Fig. 8.207
Movements of the laryngeal cartilages
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GAFS Fig. 8.207
Movements of the laryngeal cartilages
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GAFS Fig. 8.207
Anterosuperior view
Movements of the laryngeal cartilages
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Movements of the laryngeal cartilages
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Movements of the laryngeal cartilages
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Larynx - Folds Aryepiglottic foldVestibular foldsVocal foldsVentricleRima glottidis
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Larynx - Folds
Aryepiglottic fold
Vestibular folds
Vocal folds
Ventricle
Rima glottidis
GAFS Fig. 8.208
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Posterior view
Posterolateral view
Larynx - Muscles
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Larynx - Muscles
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Larynx – Cricothyroid Muscle
1 2
Stretches and tenses vocal cords
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Post. Cricoarytendoid m.
Posterior view
ABducts vocal lig’s
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Lat. Cricoarytendoid m.
ADDucts vocal lig’s
Posterolateral view
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Transv./Obliq. Arytenoid m.
Posterolateral view
ADDucts vocal lig’s
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Thyroarytenoid m.
Posterolateral view
Relaxes vocal lig’s
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Vasculature of the Larynx
GAFS Fig. 8.213
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Innervation Review
Tongue muscles:
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
Palate muscles:
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
Palate muscles: CN X, (except tensor veli palatini ... CN V-3)
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
Palate muscles: CN X, (except tensor veli palatini ... CN V-3)
Pharyngeal muscles:
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
Palate muscles: CN X, (except tensor veli palatini ... CN V-3)
Pharyngeal muscles: CN X, (except stylopharyngeus m. ... CN IX)
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
Palate muscles: CN X, (except tensor veli palatini ... CN V-3)
Pharyngeal muscles: CN X, (except stylopharyngeus m. ... CN IX)
Laryngeal muscles:
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Innervation Review
Tongue muscles: CN XII (except palatoglossus m. ... CN X)
Palate muscles: CN X, (except tensor veli palatini ... CN V-3)
Pharyngeal muscles: CN X, (except stylopharyngeus m. ... CN IX)
Laryngeal muscles: CN X (recurrent laryngeal n.) {except cricothryoid m. by ext. laryngeal n.}
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Innervation of the Larynx
GAFS Fig. 8.215
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Innervation of the Larynx
GAFS Fig. 8.215
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