#Paranasal #Air #Sinus #Frontal #Air #Sinuses #Anatomy #Capabilities #Scientific [ad_1] PARANASAL AIR SINUSES Paranasal sinuses are a gaggle of 4 paired air-filled areas that encompass the nasal cavity. The maxillary sinuses are positioned beneath the eyes; the frontal sinuses are above the eyes; the ethmoidal sinuses are between the eyes and the sphenoidal sinuses are