Anatomy study note · Head and neck

Stylopharyngeus

A longitudinal pharyngeal muscle from the styloid process; the only muscle supplied by the glossopharyngeal nerve.

Key points

• Styloid process → thyroid cartilage.
• Only muscle of CN IX.
• Elevates the larynx in swallowing.
• From the third pharyngeal arch → glossopharyngeal nerve.
• Skeletal muscle: multinucleated, peripheral nuclei, striated.
• Epimysium → perimysium → endomysium.

The full note in the atlas also covers

Origin · Insertion · Action · Nerve supply · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1677–1678, 1759
• Inderbir Singh’s Human Embryology, ch. 9, PDF pp. 120, 122, 125
• BRS Cell Biology & Histology, 7th ed., ch. 8, PDF pp. 135–144

More from the head and neck

• Subclavian artery
• Subclavian vein
• Sublingual gland
• Submandibular gland
• Superficial and regional cervical lymph nodes
• Superior oblique
• Superior rectus
• Superior temporal gyrus
• Teeth
• Temporal bone
• Temporal lobe
• Temporalis

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