Agger nasi
Agger Nasi
Agger nasi (pronounced: /ˈæɡər ˈnæsi/), also known as the nasal ridge, is a part of the human anatomy. It is the most anterior ethmoidal air cell, located in the lateral nasal wall, superior to the nasal cavity and anterior to the middle meatus.
Etymology
The term "agger nasi" is derived from Latin, where "agger" means mound or heap, and "nasi" refers to the nose. Thus, the term can be translated as "mound of the nose".
Anatomy
The agger nasi is a small, rounded elevation located in the anterior part of the lateral nasal wall. It is formed by the anterior ethmoidal air cell. This structure is important in the drainage of the frontal sinus, as it is located just anterior to the frontal sinus outflow tract.
Clinical Significance
The agger nasi is of clinical significance in endoscopic sinus surgery, as its location and size can affect the surgical approach to the frontal sinus. It is also important in the diagnosis and treatment of chronic rhinosinusitis, as it can obstruct the frontal sinus outflow tract, leading to sinusitis.
Related Terms
- Ethmoid bone
- Frontal sinus
- Nasal cavity
- Middle meatus
- Endoscopic sinus surgery
- Chronic rhinosinusitis
External links
- Medical encyclopedia article on Agger nasi
- Wikipedia's article - Agger nasi
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