Fossae and cavities of the Skull Flashcards
1
Q
Orbital cavity
A
BORDERS:
- sup: frontal bone, lesser wing of sphenoid
- med: maxilla, anterior lacrimal crest, lacrimal bone, ethmoidal bone, sphenoid bone
- lat: zygomatic bone, greater wing of sphenoid bone
- inf: maxilla, palatine bone
2
Q
Nasal cavity
A
BORDERS:
- sup: nasal bone, frontal bone, ethmoidal bone
- inf: premaxilla, maxilla, palatine bone
- lat: maxilla, lacrimal bone, ethmoidal bone, inferior nasal concha, palatine bone
- med: vomer, ethmoidal bone
3
Q
Oral cavity
A
BORDERS:
- roof: palatine bone, maxilla, premaxilla
- lat and ant: maxillary and mandibular alveolar arches + teeth
4
Q
Temporal fossa
A
BORDERS:
- sup: temporal lines
- ant: frontal and zygomatic bones
- lat: zygomatic arch
- inf: infratemporal crest
- floor: pterion
5
Q
Infratemporal fossa
A
BORDERS:
- lat: ramus of mandible, zygomatic arch
- med: lateral pterygoid plate
- ant: maxilla
- post: mastoid + styloid process
- sup: greater wing of sphenoid bone
- inf: angle of mandible
6
Q
Pterygopalatine fossa
A
BORDERS:
- post: sterygoid process of sphenoid bone
- ant: maxilla
- med: palatine bone
- lat: pterygomaxillary fissure
- roof: greater wing of sphenoid bone
- floor: palatine bone
