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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of oral region

Nerve supply to geniohyoid and hyoglossus muscles, left lateral view

Image #70-1

KEYWORDS: Cheek, Face, Mouth, Muscles and tendons, Peripheral nervous system.

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Dissection of oral region
Nerve supply to geniohyoid and hyoglossus muscles, left lateral view
The lingual and hypoglossal nerves have been elevated.
  1. Mucosa of hard palate
  2. Transverse palatine fold
  3. Tongue
  4. Medial incisor
  5. Genioglossus muscle
  6. Sublingual artery
  7. Geniohyoid muscle (fascicles separated to expose nerves)
  8. Hyoid bone
  9. Thyroid cartilage
  10. Anterior palatine nerve
  11. Lingual nerve
  12. Buccopharyngeal fascia
  13. Styloglossus muscle
  14. Ascending palatine artery
  15. Upper pointer: Posterior facial vein Lower pointer: External maxillary artery
  16. Upper pointer: External carotid artery Lower pointer: Lingual artery
  17. Upper pointer: Hyoglossus muscle Lower pointer: Muscular branches of hypoglossal nerve
  18. Hypoglossal nerve (XII)
  19. Superior laryngeal nerve
  20. Superior thyroid artery
  21. Upper pointer: Cut end of stylohyoid muscle Lower pointer: Piriform recess (outer surface of mucosa)