What Is the Sphenoethmoidal Recess

Sphenoethmoid recess is a narrow cleft bounded medially by nasal septum (perpendicular plate of ethmoid, sphenoid rostrum), laterally by the superior turbinate (ST) and superior meatus, and posterosuperiorly by the anterior face of the sphenoid body.

What is the purpose of sphenoethmoidal recess?

The sphenoethmoidal recess drains the posterior ethmoid air cells and sphenoid sinuses into the superior meatus of the nasal cavity.

Which sinus opens into Sphenoethmoidal recesses?

The sphenoid sinus ( Fig. 44.8 ) is the most posterior paranasal sinus. Its natural ostium opens into the sphenoethmoidal recess (SER). This recess lies medial and posterior to the superior turbinate, anterior to the anterior wall of the sphenoid, and medial to the nasal septum.