‘Maxillary’ simply means relating to the upper jaw. While the sinus is a hollow cavity in the skull that connects with the nasal cavity, the maxillary sinus is a specific term for the sinus above the upper jaw.
‘Maxillary’ simply means relating to the upper jaw. While the sinus is a hollow cavity in the skull that connects with the nasal cavity, the maxillary sinus is a specific term for the sinus above the upper jaw.