The Skull As Seen From Below

Fig. 21.
Anterior part of skull seen from below.

Fig. 22.
Scheme to show the bones around the posterior nasal aperture.

Fig. 23.
Schematic coronal section to show relatioship of the pterygoid process to the rest of the sphenoid bone.

Fig. 24.
Schematic transverse sectins to show the arrangement of the medial and lateral pterygoid plates
at (A) upper, (B) middle, and (C) lower levels.

Fig. 25.
Part of the base of the skull  formed by the temporal and sphenoid bones. Some adjoining areas area also shown.

Fig. 26.
Posterior part of base of shull (formed by the temporal and occipital bones)

Fig. 27.
Attachments on the skull seen from below.