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
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