What is another word for spheno-ethmoidal recess?
Pronunciation: [sfˈiːnə͡ʊˈɛθmɔ͡ɪdə͡l ɹˈiːsɛs] (IPA) 
The spheno-ethmoidal recess is a small cavity located in the skull that connects the sphenoid and ethmoid bones. It is also known as the sphenoid sinus or the ethmoid sinus. Synonyms for the spheno-ethmoidal recess include the sphenoidal sinus, the ethmoidal air cells, and the sphenoid ethmoid recess. It is an important part of the respiratory system as it helps to filter and humidify air as it passes through the sinuses. The spheno-ethmoidal recess can become inflamed and infected, causing sinusitis. Treatment options include antibiotics, decongestants, and nasal corticosteroids. Surgery may be necessary in severe cases.
