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Dysphagia

Dysphagia. 3:236. ANATOMY and Physiology. CN V TRIGEMINAL Underline = mastication, Italic = Laryngeal elevation. Masseter (Fig 4-75a) Temporalis (4-75b) Medial Pterygoid (4-75c). CN V TRIGEMINAL Underline = mastication, Italic = Laryngeal elevation. Lateral Pterygoid (4-74)

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Dysphagia

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  1. Dysphagia 3:236

  2. ANATOMYandPhysiology

  3. CN V TRIGEMINALUnderline = mastication, Italic = Laryngeal elevation • Masseter (Fig 4-75a) • Temporalis (4-75b) • Medial Pterygoid (4-75c)

  4. CN V TRIGEMINALUnderline = mastication, Italic = Laryngeal elevation • Lateral Pterygoid (4-74) • Mylohyoid (3-38) • Digastric (3-36) • Tensor (4-84)

  5. CN VII FACIALUnderline = oral bolus control • Buccinator (4-42)

  6. CN VII FACIALUnderline = oral bolus control • Levator Labii Alaque Nasi • Levator Labii Superioris • Orbicularis Oris (4-39) • Zygomaticus Major • Mentalis

  7. CN VII FACIAL • Levator Anguli Oris • Depressor Labii Inferioris • Depressor Anguli Oris (4-39) • Risorius • Platysma

  8. CN IX GLOSSOPHARYNGEAL*Underline = important for laryngeal elevation • Stylopharyngeus (4-68) *(Also provides motor innervation to upper pharyngeal constrictors along with vagus)

  9. CN X VAGUSUnderline = important for pharyngeal transitItalic = important for glottal closure • Superior Constrictor • Middle Constrictor • Inferior Constrictor

  10. CN X VAGUSItalic = important for glottal closure • Interarytenoid • (transverse and • Oblique) • (Fig 3-57) • Lateral • Cricoarytenoid

  11. CN X VAGUSItalic = important for glottal closure • Thyroarytenoid • Cricothyroid • (3-57)

  12. CN XII HYPOGLOSSALUnderline = important for bolus control • Styloglossus Hyoglossus (4-68)

  13. CN XII HYPOGLOSSALUnderline = important for bolus control • Superior longitudinal • Genioglossus (4-66)

  14. CN XII HYPOGLOSSALUnderline = important for bolus control • Verticalis • Inferior longitudinal • Transversus

  15. CN X VAGUS & CN XI ACCESSORYUnderline = important for velopharyngeal closure • Levator Veli Palatini (4-84) • Palatopharyngeus • Salpingopharyngeus • Musculus Uvulus • Palatoglossus

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