maxilla (upper jaw bone)

Function

• it supports the upper teeth & forms part of the orbit, the hard palate & the nasal cavity

Structure

• an irregularly shaped, unpaired, pneumatized bone of the skull.

Constituents

• it contains the maxillary sinuses.

More general terms

• bone

More specific terms

• frontal/nasal process of maxilla
• incisive bone; intermaxilla/premaxilla; intermaxillary/premaxillary bone
• incisive/premaxillary suture
• maxillary orifice/ostium/duct
• palatine process of maxilla

Additional terms

• hard palate
• maxillary sinus; maxillary antrum

Component of

• skull (cranium)

Components

• inferior orbital fissure
• infraorbital foramen (canal)
• infraorbital groove
• fossa for lacrimal sac
• anterior nasal spine