[ANAT] TEMPORAL & INFRATEMPORAL FOSSA Flashcards
superior boundary of temporal fossa
superior temporal line
inferior boundary of temporal fossa
zygomatic arch
contents of temporal fossa
temporalis muscle
temporalis fascia
temporalis fascia is attached to
superior temporal line (superiorly)
upper border of zygomatic arch (inferiorly)
lateral boundary of infratemporal fossa
ramus of mandible
medial boundary of infratemporal fossa
lateral pterygoid plate
superior boundary of infratemporal fossa
greater wing sphenoid
anterior boundary of infratemporal fossa
maxilla (posterior surface)
posterior boundary of infratemporal fossa
styloid process
infratemporal fossa communicates anteriorly with
orbit through inferior orbital fissure
infratemporal fossa communicates medially with
pterygopalatine fossa through pterygo-maxillary fissure
infratemporal fossa communicates superiorly with
1-temporal fossa thru gap in zygomatic arch
2- middle cranial fossa thru foramen ovale & spinosum
superficial content of infratemporal fossa
1-medial & lateral pterygoids
2-maxillary artery
3-mandibular nerve
4-pterygoid venous plexus
deep content of infratemporal fossa
1-mandibular nerve trunk
2-otic ganglia
3-tensor palati
4-middle & accessory meningeal arteries
5-chorda tympani
6-spheno-mandibular ligament