This is an alternate content page containing a Hot Spot Explore Activity. It has opened in a new window.
The activity has an image with defined hotspot areas. The hotspot areas in the image are labeled as:

Maxillary Sinus
Muscles of Mastication
Internal Carotid (medial black circle)
Internal Jugular Vein (lateral black circle)
Vertebral Artery
Spinal Cord
Cerebellar Tonsil
Maxillary Sinus
Muscles of Mastication
Internal Carotid
Parotid Gland
Internal Jugular Vein
Longus Capitus Muscle
Spinal Cord