Ethmoid sinus
Ethmoid Sinus
The Ethmoid Sinus (pronounced: /ˈɛθmɔɪd ˈsaɪnəs/) is a complex of small, air-filled cavities located in the ethmoid bone of the skull.
Etymology
The term "Ethmoid" is derived from the Greek word "ethmos," meaning sieve, due to the many small holes in the bone. "Sinus" is a Latin term meaning "pocket" or "cavity."
Anatomy
The ethmoid sinus is divided into anterior, middle, and posterior groups. These sinuses are located between the nose and the eyes. They are responsible for filtering, warming, and humidifying the air we breathe.
Related Terms
- Ethmoid bone: The bone in the skull that separates the nasal cavity from the brain.
- Sinusitis: Inflammation or swelling of the tissue lining the sinuses, which can affect the ethmoid sinuses.
- Paranasal sinuses: A group of four paired air-filled spaces that surround the nasal cavity, including the ethmoid sinuses.
- Endoscopic sinus surgery: A surgical procedure used to remove blockages in the sinuses, often used to treat chronic sinusitis that affects the ethmoid sinuses.
See Also
External links
- Medical encyclopedia article on Ethmoid sinus
- Wikipedia's article - Ethmoid sinus
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