Where Is the Sphenoethmoidal Recess?

The sphenoethmoidal recess lies in the angle between the ethmoid bone

ethmoid bone
The ethmoid bone (/ˈɛθmɔɪd/; from Greek ethmos, "sieve") is an unpaired bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits. The cubical bone is lightweight due to a spongy construction.
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and the anterior surface of the sphenoid bone, above and behind the superior turbinate
turbinate
Anatomical terms of bone

In anatomy, a nasal concha (/ˈkɒnkə/), plural conchae (/ˈkɒnkiː/), also called a nasal turbinate or turbinal, is a long, narrow, curled shelf of bone that protrudes into the breathing passage of the nose in humans and various animals.

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.

Where is sphenoethmoidal recess located?

The sphenoethmoidal recess is a small space in the nasal cavity into which the sphenoidal sinus and posterior ethmoid sinus open. It lies posterior and superior to the superior concha. The sphenoethmoidal recess drains the posterior ethmoid air cells and sphenoid sinuses into the superior meatus of the nasal cavity.

What is a sinus recess?

The frontal recess is an opening in the inferior aspect of the frontal sinuses that allows drainage of the sinus.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.