CT: Axial head, level of pterygopalatine fossa  

This CT scan has been "windowed" (contrast adjusted) to highlight the bony structures. The pterygopalatine fossa (between the maxillary bone anteriorly and the root of the pterygoid process of the sphenoid bone posteriorly) can be appreciated.

Identify the following:

1. zygomatic arch

2. maxillary sinus

3. pterygopalatine fossa

4. condyle of mandible

5. foramen ovale

6. foramen spinosum

7. carotid canal

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