MeSH definition : One of the paired air spaces located in the body of the SPHENOID BONE behind the ETHMOID
BONE in the middle of the skull. Sphenoid sinus communicates with the posterosuperior
part of NASAL CAVITY on the same side.;
MeSH synonym : sinus, sphenoid;
MeSH annotation : inflammation or sinusitis SPHENOID SINUSITIS; fractures: coordinate SPHENOID SINUS
/inj (IM) SKULL FRACTURES (IM); neoplasms: coordinate IM with PARANASAL SINUS NEOPLASMS
(IM);
Wikipedia link : https://en.wikipedia.org/wiki/Sphenoid sinus;
One of the paired air spaces located in the body of the SPHENOID BONE behind the ETHMOID
BONE in the middle of the skull. Sphenoid sinus communicates with the posterosuperior
part of NASAL CAVITY on the same side.