Paranasal Sinus (Noun)
Meaning
Any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities.
Classification
Nouns denoting body parts.
Examples
- The paranasal sinuses are air-filled spaces that surround the nasal cavity and are connected to it through small openings.
- Inflammation of the paranasal sinus can cause symptoms such as facial pain and pressure, and thick yellow or green nasal discharge.
- The four pairs of paranasal sinuses in the human skull are the frontal, maxillary, sphenoid, and ethmoid sinuses.
- Computed tomography scans can be used to visualize the paranasal sinus and detect any abnormalities or blockages.
- A bacterial infection in the paranasal sinus can be treated with antibiotics, but it is essential to consult a doctor for proper diagnosis and treatment.