Paranasal sinuses CT imaging anatomy

I want to work through the anatomy of the head as seen on CT imaging sections, but there's a lot to look at. Let's start by seeing if we can recognise the frontal, sphenoid and maxillary sinuses and the ethmoidal air cells. Scrollable computed tomography images of a normal brain: https://commons.wikimedia.org/wiki/Sc...) Paranasal air sinuses:    • Paranasal air sinuses   Music by Jahzzar Album: HiFi City Tales Song: Bodies   / jahzzar​​