Sphenoethmoidal recess

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

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Sphenoethmoidal recess

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