Nasa
Nasa (Medicine)
Nasa (pronounced: /ˈnɑːsə/), also known as the nasal cavity in medical terminology, is a large air-filled space above and behind the nose in the middle of the face. The nasa is part of the respiratory system and has two openings, the nostrils, through which air is inhaled and exhaled.
Etymology
The term "nasa" is derived from the Latin word "nasus", which means nose. It is also related to the Ancient Greek word "νάσον" (náson), which also means nose.
Function
The primary function of the nasa is to filter, warm, and moisturize the air that a person breathes. It also serves as a resonating chamber for speech. The nasa is lined with a mucous membrane that helps to keep the nose moist and trap dust particles, bacteria, and other foreign substances that could potentially harm the lungs.
Related Terms
- Nasal septum: The partition in the middle of the nasa that separates the two nostrils.
- Nasal polyps: Noncancerous growths in the lining of the nasa.
- Rhinitis: Inflammation of the nasa.
- Sinusitis: Inflammation or swelling of the tissue lining the sinuses, which are connected to the nasa.
- Nasal concha: The curved bones that protrude into the breathing passage of the nasa.
See Also
External links
- Medical encyclopedia article on Nasa
- Wikipedia's article - Nasa
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