Henry Gray (18251861). Anatomy of the Human Body. 1918. In the
Basle nomenclature, certain bones developed in association with
the nasal capsule, viz., the inferior nasal conchæ, the
lacrimals, the nasals, and the vomer, are grouped as cranial and
not as facial bones. The hyoid bone, situated at the root of the
tongue and attached to the base of the skull by ligaments, is
described in this section. 5a. The Cranial Bones. 1. The
Occipital Bone (Ossa Cranii) & (Os Occipitale). The occipital
bone (Figs. 129,130), situated at the back and lower part of the
cranium, is trapezoid in shape and curved on itself. It is
pierced by a large oval aperture, the foramen magnum, through
which the cranial cavity communicates with the vertebral canal.
The curved, expanded plate behind the foramen magnum is named
the squama; the thick, somewhat quadrilateral piece in front of
the foramen is called the basilar part, whilst on either side of
the foramen is the lateral portion. The Squama (squama
occipitalis).The squama, situated