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			== Sphenoethmoidal recess ==
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'''Sphenoethmoidal recess''' is a space in the [[nasal cavity]] that is located superior to the [[superior nasal concha]]. It is the site of drainage for the [[sphenoidal sinus]] and the [[posterior ethmoidal air cells]].

==Etymology==
The term "sphenoethmoidal" is derived from two Greek words: "sphen" meaning wedge and "ethmoid" meaning sieve-like. The term "recess" is derived from the Latin word "recessus" which means a going back or retreat.

==Anatomy==
The sphenoethmoidal recess is a small, superiorly located space in the nasal cavity. It is found above the superior nasal concha and below the [[sphenoid bone]]. The sphenoidal sinus and the posterior ethmoidal air cells drain into this recess.

The sphenoethmoidal recess is bordered by the [[sphenoid bone]] posteriorly, the [[ethmoid bone]] anteriorly, and the [[superior nasal concha]] inferiorly. The [[sphenoidal sinus]] opens into the sphenoethmoidal recess, allowing for the drainage of mucus and air.

==Clinical significance==
Due to its location and the drainage of the sphenoidal sinus and posterior ethmoidal air cells, the sphenoethmoidal recess can be a site of pathology. Conditions such as [[sinusitis]], [[polyps]], and [[tumors]] can affect the sphenoethmoidal recess.

In cases of chronic sinusitis, the sphenoethmoidal recess can become blocked, leading to a buildup of mucus and bacteria. This can cause symptoms such as nasal congestion, facial pain, and a reduced sense of smell.

Polyps, which are noncancerous growths, can also form in the sphenoethmoidal recess. These can cause similar symptoms to sinusitis, as well as a runny nose and postnasal drip.

Tumors, both benign and malignant, can also occur in the sphenoethmoidal recess. These can cause a variety of symptoms, depending on their size and location.

==See also==
* [[Nasal cavity]]
* [[Sphenoidal sinus]]
* [[Ethmoid bone]]
* [[Superior nasal concha]]

[[Category:Anatomy]]
[[Category:Medical terminology]]
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Sphenoethmoidal recess - Revision history

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