Laboratory Identifications and Relations -- Parotid Region, Temporomandibular Joint, Mandible
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[ SBMP ] [ Skull ] [ Face ]
[ Cavernous Sinus ] [ Orbit ]
[ Parotid Region, TMJ, Mandible ] [ Infratemporal Fossa ]
[ Pterygopalatine Fossa ]
Temporomandibular Joint and Parotid Region
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Mastoid process
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Styloid process
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Stylomastoid foramen
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External acoustic meatus
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Postglenoid tubercle
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Madibular fossa
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Articular tubercle
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Condyle
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Mandibular notch
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Masseteric artery
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Masseteric nerve
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Coronoid process
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Articular capsule
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Superior synovial cavity 5. Articular Disk
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Inferior synovial cavity
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Superior head of lateral pterygoid
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Inferior head of lateral pterygoid
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Posterior fibers of temporalis
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Anterior fibers of temporalis
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Facial nerve
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Auriculotemporal nerve
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Communicating branch (parasympathetics)
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Posterior belly digastric
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Stylohyoid muscle
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Lesser occipital nerve
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Great auricular nerve
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Parotid Gland
Mandible
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condyle - site of insertion for inferior head lateral pterygoid muscle
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neck - anterior to external auditory canal
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coronoid process - insertion of temporalis muscle
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mandibular notch - transmits masseteric artery and nerve to masseter muscle
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ramus - lateral boarder of infratemporal fossa, retromandibular vein, maxillary
artery, parotid gland
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angle - near level of lingula (medial surface)
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body - most commonly broken bone in males, fracture puts inferior alveolar
nerve and artery at risk
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inferior alveolar process - base of teeth
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mandibular foramen - transmits inferior alveolar nerve and artery into
mandible, inferior to lingula
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lingula - site of attachment of sphenomandibular ligament
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digastric fossa - origin of anterior belly of digastric muscle
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superior and inferior mental spine - origin of genioglossus and geniohyoid
muscles
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sphenomandibular ligament - from spine of sphenoid to lingula, limits depression
of the mandible
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mental foramen - transmits mental nerve and artery (continuation of inferior
alveolar nerve)
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inferior alveolar nerve and artery - provides the inferior dental plexus
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inferior dental plexus
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temporalis muscle - arises from temporal fossa, medial to zygomatic arch,
inserts on coronoid process and anterior ramus
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masseter muscle - arises from zygomatic arch, inserts on lateral body and
angle of mandible
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medial pterygoid muscle - originates from medial aspect of lateral pterygoid
plate, inserts on medial body
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mental nerve and artery
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