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39 Cards in this Set
- Front
- Back
posterior and superior boarder of temporal fossa
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temporal lines
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anterior boundary of temporal fossa
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frontal and zygomatic bones
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lateral boundary of temporal fossa
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zygomatic arch
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inferior boundary of temporal fossa
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infratemporal crest
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lateral border of infratemporal fossa
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ramus of mandible
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medial border of infratemporal fossa
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lateral pterygoid plate
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anterior border of infratemporal fossa
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posterior aspect of maxilla
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posterior border of infratemporal fossa
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tympanic plate and mastoid and styloid process of temporal bone
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superior border of infratemporal fossa
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inferior surface of greater wing of sphenoid
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inferior border of infratemporal fossa
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where medial pterygoid muscle attatches to mandible near its angle
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contents of infratemporal fossa
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inferior part of temporal m
lateral & medial pterygoid m maxillary a pterygoid venous plexus madibular, inferior alveolar, lingual, buccal, chorda tympani nn otic gaglion |
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temporal m
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elevates mandible
posterior fibers retract mandible deep temporal branches of madibular n |
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lateral pterygoid m
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protude mandible adn depress chin
alone - side to side movement mandibular n via lateral pterygoid n |
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masseter m
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elevates and protrudes mandible closing jaw, deep fibers retract jaw
mandibular n via masseteric |
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medial pterygoid m
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elevate mandible closing jaw
alone protrude side of jaw - grinding |
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maxillary a
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larger of 2 terminal branches of external carotid
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branches of mandibular part of maxillary a
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deep aricular
anterior tympanic middle meningeal accessory meningeal inferior alveolar |
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branches of pterygoid part of maxillary a
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deep temporal (ant & post)
pterygoid a masseteric buccal |
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branches of pterygopalatine part of maxillary a
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posterior superior alveolar
infraorbital a decending palatine a artery of pterygoid canal pharyngeal a sphenopalatine a |
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otic ganglion
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parasympathetic
infratemporal fossa |
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lingual n
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sensory to ant 2/3 of tongue
infratemporal fossa secretomotor fibers to submandibular & sublingual glands |
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articular disc
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divides TMJ into 2 compartments
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superior compartment of TMJ
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gliding movements
protrusion & retrusion |
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inferior compartment of TMJ
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depression and elevation
hinge movements |
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lateral ligament of TMJ
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strengthens TMJ laterally
prevents posterior dislocation |
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stylomandibular ligament of TMJ
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thickening of fiborus capsule of hte parotid gland
doesnt contribute to strength |
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spheonmandibular ligament of TMJ
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passive support for mandible
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elevation of madible is caused by
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temporal
masseter medial pterygoid |
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depression of mandible is caused by
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gravity
suprahyoid and infrahyoid |
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protrusion of mandible is caused by
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lateral pterygoid *
massester (oblique) medial pterygoid |
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retraction of chin is caused by
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temporal
masseter |
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lateral movement of jaw is caused by
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retractors of same side
protruders of opposite side |
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contents of pterygopalatine fossa
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terminal part of maxillary a and intial part of branches
maxillary n nerve of pterygoid canal pterygopalatine ganglion |
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anterior border of pterygoplatine fossa
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infratemporal surface of maxilla
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medial border of pterygoplatine fossa
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vertical plate of palatine bone
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posterior border of pterygoplatine fossa
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pterygoid process of sphenoid
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superior border of pterygoplatine fossa
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body of sphenoid
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lateral border of pterygoplatine fossa
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opens into pterygomaxillary fissure
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7 openings of pterygopalatine fossa
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1. pterygomaxillary fissure
2. inferior orbital fissure 3. foramen rotundum 4. pterygoid canal 5. pharyngeal canal 6. sphenopalatine foramen 7. pterygopaltine canal |