X CLOSE

General orientation views of dissection

Deep facial dissection, lateral view; temporal muscle; course of facial nerve through parotid gland

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Image #49-5
Diagram Image
Legend Image
General orientation views of dissection
Deep facial dissection, lateral view; temporal muscle; course of facial nerve through parotid gland
The masseter muscle has been completely removed and the zygomatic arch cut away. The parotid gland and duct have been preserved. The superficial part of the gland has been dissected to expose the course of the facial nerve (23) from the stylomastoid foramen through the substance of the gland. The sternocleidomastoid muscle has been cut from its cranial attachments. Close-up views which illustrate more details of this dissection are to be found as follows
  1. Parietal bone
  2. Coronal suture
  3. Frontal bone
  4. Temporalis muscle
  5. Upper pointer: Cut end of zygomatic arch Lower pointer: Muscle tendon arising from deep surface of zygomatic arch, inserting with temporalis muscle but innervated by a branch of the masseteric nerve
  6. Zygomatic bone
  7. Position of coronoid process of mandible
  8. Attachment of tendon of masseter muscle to zygomatic bone
  9. Upper pointer: Accessory parotid gland Lower pointer: Parotid duct
  10. Infraorbital nerve
  11. Buccinator muscle
  12. Angle of mandible
  13. External maxillary artery
  14. Submandibular gland
  15. Lambdoidal suture
  16. Occipitalis muscle
  17. Occipital branch of posterior auricular nerve
  18. Superficial temporal artery
  19. Greater occipital nerve
  20. Lesser occipital nerve
  21. Upper pointer: External acoustic meatus Lower pointer: Mastoid process
  22. Splenius capitis muscle (pointer in area previously covered by sternocleidomastoid muscle)
  23. Facial nerve (VII) and parotid gland
  24. Trapezius muscle (cut off)
  25. Superior deep cervical lymph nodes
  26. Posterior facial vein
  27. Accessory nerve (XI)
  28. Internal jugular vein (visible in opening cut through carotid sheath)