1 апр. 2021 г. · The paranasal sinuses are air-filled extensions of the nasal cavity. There are four paired sinuses – named according to the bone in which they are located.
Paranasal sinuses are air-filled cavities in the frontal, maxilae, ethmoid, and sphenoid bones. These sinuses, which have the same names as the bones in which ...
Paranasal means around or near the nose. The paranasal sinuses are hollow spaces filled with air, located around the nose inside the skull. The paranasal ...
The paranasal sinuses and nose are much more than two cavities behind a projection on the centre of the face. They humidify, filter, warm, and sense what we ...