- upper jaw
- upper jaw bone
- One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the orbit, and contains the maxillary sinus.
Definition from: MSH via Unified Medical Language System at the National Library of Medicine
- The upper jawbone in vertebrates; it is fused to the cranium.
Definition from: NCI via Unified Medical Language System at the National Library of Medicine
See also Understanding Medical Terminology.