Paranasal Sinus

Cancer Terms -> Anatomic Structure System or Substance -> Body Part -> Sinus -> Paranasal Sinus

Paranasal Sinus Definition

An air-filled cavity adjacent to the nasal cavity lined by a mucous membrane and located in the bones of the skull. There are four paranasal sinuses on each side of the face: ethmoid, frontal, maxillary, and sphenoid sinus.

Paranasal Sinus Synonyms

Paranasal Sinus, Accessory Sinuses, Accessory sinus, Nasal And Sinuses, Nasal Sinus, Nasal Sinuses, Nasal and Sinuses, Nasal cavity/Paranasal, Nasal cavity/Paranasal sinuses, PARANASAL SINUS, Paranasal Sinuses, Sinuses, Nasal, Sinuses, Paranasal

Terms in Paranasal Sinus category

Ethmoid Sinus
Frontal Sinus
Maxillary Sinus
Sphenoid Sinus