Page 88 - My FlipBook

ANATOMY.

The Internal or Zi/r/omatic /Surface (Fig. 47) is directed backward
and outward toward the temporal fossa above and the zygomatic fossa
below; it is concave in form, and near the outer portion it is punctured
by one or two small foramina for the passage of blood-vessels and
Fig. 46.

Bnstlfs pa^'sctl through
Tem^in'o- Miliar Citruds

Left Malar Bone, outer surface.
nerves! At the anterior inferior angle of this surface is a rough tri-
angular plate of bone for articulation with the malar process of the
superior maxilla. The remainder of the internal surface is smooth,
and enters into the formation of the temporal and zygomatic fossae; the
Fig. 47.
^V(W*?^

Left Malar Bone, inner surface.
lower third of this surface, extending as far as the lower border of the
bone, gives origin to the greater part of the masseter muscle.
The Frontal Process is the most prominent of the four : its upper
portion is thick and serrated, and arti(;ulates with the external angular
process of the frontal bone.