Sphenoidbone·in the middle of the base of the skullbody:hypophysial fossa , sphenoidal sinus2greaterwing③&lesserwing422135·SuperiorviewBonynasalcavity
Sphenoid bone • in the middle of the base of the skull body: hypophysial fossa ①, sphenoidal sinus ② greater wing ③ & lesser wing ④ ① ② ③ ④ • Superior view • Bony nasal cavity
Ethmoidbone·in the anterior part of thebase of the skull①Cribriformplate②Perpendicularplate③Cristagalli④ Labyrinth31·Superiorview·Anteriorview
• Superior view • Anterior view Ethmoid bone • in the anterior part of the base of the skull ① Cribriform plate ② Perpendicular plate ③ Crista galli ④ Labyrinth ④ ③ ② ① ③
Temporal bone.inthelateralsideoftheskull①Articulartubercle②Mandibularfossa③Mastoidprocess@ExternalacousticporeHeadof mandible2
Temporal bone • in the lateral side of the skull ① Articular tubercle ② Mandibular fossa ③ Mastoid process ④ External acoustic pore ② ① ③ ④ ① Head of mandible
）Facialbones（15bones·Paired bones:Nasal boneLacrimalboneInferiornasalconchaeZygomaticbonePalatine boneMaxilla: Unpaired bones:MandibleVomerHyoid
• Unpaired bones: Mandible Vomer Hyoid Ⅱ）Facial bones (15 bones) • Paired bones: Nasal bone Lacrimal bone Inferior nasal conchae Zygomatic bone Palatine bone Maxilla
福PalatineboneVomerLacrimalboneZygomatic boneNasal boneMaxillaInferiornasalconchae
Maxilla Palatine bone Zygomatic bone Vomer Lacrimal bone Nasal bone Inferior nasal conchae