The Mandible

Fig. 43.
The mandible seen from above.

Fig. 44.
Right half of mandible seen from the lateral side.

Fig. 45.
Right half of the mandible seen from the medial side.

Fig. 46.
Median part  of the mandible, anterior aspect.

Fig. 47.
Median part of the mandible, posterior aspect.

Fig. 48.
Attachments on the mandible as seen from the lateral side.

Fig. 49.
Attachments on the mandible as seen from the medial side.

Fig. 50.
Region of the symphysis menti, showing attachments, seen from behind.

The Nasal Cavity

Fig. 37A.
Bones in the lateral wall of the nose. The base of the lateral wall formed by the maxilla.

Fig. 37B.
Palatine bone overlaps the  posterior part of the maxilla.

Fig. 37C.
The lacrimal bone and the inferior nasal concha are placed over the maxilla and the palatine bone.

Fig. 38.
Lateral wall of the nasal cavity is completed by the ethmoid bone. The parts shown in dotted line can be seen only when the middle concha is lifted off. Compare with Fig. 37C.

Fig. 39.
Main bones forming the nasal septum.

Fig. 40.
Lateral wall of the nasal cavity seen after removal of the medial plate of the ethmoid bone to expose the ethmoidal air sinuses.

Fig. 41.
Schematic diagram to show the positions of the openings of paranasal sinuses into the nasal cavity.

Fig. 42.
Scheme to show the parts of the   ethmoid bone.

Foramina Of The Skull

Fig. 31.
Structures passing through the optic canal, the superior orbital fissure, and the inferior orbital fissure.

Fig. 32.
Structures passing through the foramen ovale, and through smaller foramina near it.
The lesser petrosal nerve sometimes passes through the canalis innominatus.

Fig. 33.
Scheme to show structures passing through the carotid canal and the foramen lacerum.

Fig. 34.
Scheme to show structures passing through the jugular foramen.

Fig. 35.
Scheme to show the position of the opening of the inferior tympanic canaliculus,
and of the mastoid canaliculus.

Fig. 36.
Scheme to show the arrangement of structures passing  through the foramen magnum.

Cranial Fossae Of The Skull

Fig. 28.
Parts of the anterior and middle cranial fossae seen from above. Compare with Fig. 7.

Fig. 29.
Schematic diagram to show some features in the anterior wall of the middle cranial fossa.

Fig. 30.
Features to be seen in the floor of the middle and posterior cranial fossae

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.