NCIt related terms : Sphenoid sinus structure (body structure);
NCIt definition : Either of the paired paranasal sinuses, located in the anterior part of the body of
the sphenoid bone and communicating with the superior meatus of the nasal cavity on
the same side.;
Alternative definition : NCI-GLOSS: A type of paranasal sinus (a hollow space in the bones around the nose).
There are two large sphenoid sinuses in the sphenoid bone, which is behind the nose
between the eyes. The sphenoid sinuses are lined with cells that make mucus to keep
the nose from drying out.; CDISC: Either of the paired paranasal sinuses located in the anterior part of the
body of the sphenoid bone, and communicating with the superior meatus of the nasal
cavity on the same side.;