Dysphagia

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Dysphagia

• 3236

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ANATOMYandPhysiology
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CN V TRIGEMINALUnderline mastication, Italic
Laryngeal elevation

• Masseter (Fig 4-75a)
• Temporalis (4-75b)
• Medial Pterygoid (4-75c)

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CN V TRIGEMINALUnderline mastication, Italic
Laryngeal elevation

• Lateral Pterygoid (4-74)
• Mylohyoid (3-38)
• Digastric (3-36)
• Tensor (4-84)

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CN VII FACIALUnderline oral bolus control

• Buccinator
• (4-42)

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CN VII FACIALUnderline oral bolus control

• Levator Labii Alaque Nasi
• Levator Labii Superioris
• Orbicularis Oris (4-39)
• Zygomaticus Major
• Mentalis

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CN VII FACIAL

• Levator Anguli Oris
• Depressor Labii Inferioris
• Depressor Anguli Oris
• (4-39)

• Risorius
• Platysma

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CN IX GLOSSOPHARYNGEALUnderline important
for laryngeal elevation

• Stylopharyngeus (4-68)
• (Also provides motor innervation to upper
  pharyngeal constrictors along with vagus)

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CN X VAGUSUnderline important for pharyngeal
transitItalic important for glottal closure

• Superior Constrictor
• Middle Constrictor
• Inferior Constrictor

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CN X VAGUSItalic important for glottal closure

• Interarytenoid
• (transverse and
• Oblique)
• (Fig 3-57)
• Lateral
• Cricoarytenoid

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CN X VAGUSItalic important for glottal closure

• Thyroarytenoid
• Cricothyroid
• (3-57)

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CN XII HYPOGLOSSALUnderline important for
bolus control

• Styloglossus
• Hyoglossus

(4-68)
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CN XII HYPOGLOSSALUnderline important for
bolus control

• Superior longitudinal
• Genioglossus

(4-66)
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CN XII HYPOGLOSSALUnderline important for
bolus control

• Verticalis
• Inferior longitudinal
• Transversus

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CN X VAGUS CN XI ACCESSORYUnderline
important for velopharyngeal closure

• Levator Veli Palatini (4-84)
• Palatopharyngeus
• Salpingopharyngeus
• Musculus Uvulus
• Palatoglossus