The mucopurulent discharge from this right sphenoid sinus ostium confirms the presence of chronic sphenoid sinusitis. Courtesy of Professor Heinz Stammberger, University of Graz, Austria.
A right sphenoethmoidal recess. Note the superior and supreme turbinates as well as the sphenoid sinus ostium. There is some thickened, nonpurulent secretions issuing from the posterior ethmoid and sphenoid...
The sphenoid sinus ostium is located in the posteriorosuperior portion of the nasal cavity just lateral to the insertion of the posteriorosuperior portion of the nasal septum into the anterior wall of...
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![The Sphenoethmoidal Recess [right]](https://medtube.net/images/min/630ecefaf7f9d9f90d9a88f50c4c91db/149/112/1 "The Sphenoethmoidal Recess [right]")
![The Sphenoid Sinus Ostium [right]](https://medtube.net/images/min/6d4931745b5d275949b32ca77a61a23e/149/112/1 "The Sphenoid Sinus Ostium [right]")