| Bone |
Description |
| Frontal Bone |
superior and most anterior skull bone |
| Parietal Bones |
superior lateral skull bones |
| Occipital Bone |
posterior inferior skull bone, forms back and floor of brain case |
| Foramen Magnum |
large hole in occipital bone where the spinal cord exits the brain case |
| Occipital Condyle |
ridges or lips around the foramen magnum |
| Temporal Bones |
Inferior lateral skull bones |
| Mastoid Process |
rough projection inferior to the temporal bones |
| External Auditory Meatus |
hole above mastoid process |
| Sphenoid |
the lateral wall of the eye orbit, the triangular flat bone above the temporal bones, and the bat or butterfly shaped bone on the floor of the brain case |
| Ethmoid |
posterior medial wall of the eye orbit, the three small projections in top of nasal cavity, and the "punctured triangle" inside the brain case |
| Lacrimal |
thumbnail-sized bone in medial corners of the eye orbits |
| Lacrimal Fossa |
depression in the lacrimal bones |
| Nasal |
two small rectangular bones on bridge of nose |
| Vomer |
thin vertical plate on the inferior wall of nasal cavity that separates it in half |
| Inferior Nasal Conchae |
two shelves on lateral walls of nasal cavity (one shelf on each side) |
| Zygomatic Bones |
the bones just inferior to the eye orbits, "cheekbones" |
| Zygomatic Arch |
the bridge from the zygomatic bone to the temporal bone |
| Maxilla |
upper jaw and anterior roof of the mouth |
| Mandible |
lower jaw, part that moves freely |
| Palatine |
posterior half-inch of hard palate in mouth |
Biology Lab Midterm
