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Bassett Collection of Stereoscopic Images of Human Anatomy

Left infraorbital, labial and buccal regions

Orbicularis oris muscle; labial arteries, anterior view

Image #67-3

KEYWORDS: Cheek, Face, Mouth, Muscles and tendons, Vasculature.

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Left infraorbital, labial and buccal regions
Orbicularis oris muscle; labial arteries, anterior view
The quadratus labii superioris, zygomaticus, risorius and triangularis muscles have been resected. The labial arteries(3,18) have been exposed by removal of portions of the deeper muscle tissue.
  1. Fibers of depressor septi nasi muscle (cut off)
  2. Orbicularis oris muscle (superior portion)
  3. Superior labial artery
  4. Orbicularis oris muscle (inferior portion)
  5. Mentalis muscle
  6. Internal nasal branch of infraorbital nerve
  7. Zygomatic bone
  8. Buccal branch facial nerve (cut off)
  9. Upper pointer: Buccal fat pad Lower pointer: Buccinator muscle
  10. Parotid duct (cut off)
  11. Superior labial branches infraorbital nerve
  12. Branches of buccinator nerve
  13. Buccinator muscle (inferior part)
  14. External maxillary artery
  15. Labial commissure
  16. Mandible
  17. Labial gland
  18. Inferior labial artery
  19. Marginal mandibular branch facial nerve
  20. Depressor labii inferioris muscle