The ethmoid sinuses are made up of air cells, which are divided into _________ groups.

The part of the mandible indicated below is body of mandible.jpg

The opening underneath the alveolar portion of the mandible for the passage of blood vessels and nerve is called _________.

All of these projections will demonstrate ethmoidal sinuses, except:

The central ray for the modified Waters view of the facial bones exits the __________.

The external landmark identified below is acanthion(1).jpg

The CR of the modified Waters of the orbits will exit through _________.

Arterial embalming may

The axiolateral oblique projection is used to demonstrate the mandible. How is the head positioned to demonstrate the body of the mandible?

The sinus identified in the figure below is the: sphenoidal sinus.jpg