Mnemonic
Paranasal Sinus Pair Count
Mnemonic for the number of paired paranasal sinus groups.
Expansion
Four pairs drain the face, frontal ethmoid sphenoid maxillary find their place
Expansion
- Frontal sinuses - paired
- Ethmoid sinuses - paired groups of air cells
- Sphenoid sinuses - paired
- Maxillary sinuses - paired