Laboratory Identifications and Relations -- Parotid Region, Temporomandibular Joint, Mandible


[ SBMP ] [ Skull ] [ Face ] [ Cavernous Sinus ] [ Orbit ] [ Parotid Region, TMJ, Mandible ] [ Infratemporal Fossa ] [ Pterygopalatine Fossa ]

Temporomandibular Joint and Parotid Region

  1. Mastoid process
  2. Styloid process
  3. Stylomastoid foramen
  4. External acoustic meatus
  5. Postglenoid tubercle
  6. Madibular fossa
  7. Articular tubercle
  8. Condyle
  9. Mandibular notch
  10. Masseteric artery
  11. Masseteric nerve
  12. Coronoid process
  13. Articular capsule
  14. Superior synovial cavity 5. Articular Disk
  15. Inferior synovial cavity
  16. Superior head of lateral pterygoid
  17. Inferior head of lateral pterygoid
  18. Posterior fibers of temporalis
  19. Anterior fibers of temporalis
  20. Facial nerve
  21. Auriculotemporal nerve
  22. Communicating branch (parasympathetics)
  23. Posterior belly digastric
  24. Stylohyoid muscle
  25. Lesser occipital nerve
  26. Great auricular nerve
  27. Parotid Gland

Mandible

  1. condyle - site of insertion for inferior head lateral pterygoid muscle
  2. neck - anterior to external auditory canal
  3. coronoid process - insertion of temporalis muscle
  4. mandibular notch - transmits masseteric artery and nerve to masseter muscle
  5. ramus - lateral boarder of infratemporal fossa, retromandibular vein, maxillary artery, parotid gland
  6. angle - near level of lingula (medial surface)
  7. body - most commonly broken bone in males, fracture puts inferior alveolar nerve and artery at risk
  8. inferior alveolar process - base of teeth
  9. mandibular foramen - transmits inferior alveolar nerve and artery into mandible, inferior to lingula
  10. lingula - site of attachment of sphenomandibular ligament
  11. digastric fossa - origin of anterior belly of digastric muscle
  12. superior and inferior mental spine - origin of genioglossus and geniohyoid muscles
  13. sphenomandibular ligament - from spine of sphenoid to lingula, limits depression of the mandible
  14. mental foramen - transmits mental nerve and artery (continuation of inferior alveolar nerve)
  15. inferior alveolar nerve and artery - provides the inferior dental plexus
  16. inferior dental plexus
  17. temporalis muscle - arises from temporal fossa, medial to zygomatic arch, inserts on coronoid process and anterior ramus
  18. masseter muscle - arises from zygomatic arch, inserts on lateral body and angle of mandible
  19. medial pterygoid muscle - originates from medial aspect of lateral pterygoid plate, inserts on medial body
  20. mental nerve and artery

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