SKULL. HUMAN SKULL. Consists of 22 bones 8 of these bones make up the cranium 14 form the facial skeleton. (also 6 tiny bones in the middle ear). The cranium encloses and protect the brain, and its surface provides attachments for muscles that make chewing and head movements possible.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
There are 8 bones that make up the cranium.
Parietal Bones (2)
Temporal Bones (2)
Ethmoid BonePARTS OF THE SKULLCRANIUM
The parietal bones (2) form, by their union, the sides and roof of the cranium. Each bone is irregularly quadrilateral in form, and has two surfaces, four borders, and four angles.
These bones provide basic shape of the face
Attachments for muscles that move the jaw and control facial expressions.Facial Skeleton
The horizontal portions form the posterior section of the hard palate and the floor of the nasal cavity.
The perpendicular portions help form the lateral walls of the nasal cavity.
This is easier too see from the bottom view of the skull.Palatine Bones
A groove in its anterior portion leads from the orbit to the nasal cavity, providing a pathway for a channel that carries tears from the eye to the nasal cavity.Lacrimal Bones
Posteriorly, it joins the perpendicular plate of the ethmoid bone Together they form the nasal septon.Vomer bone
(Aka zygomatic arch
External acoustic canal
External Auditory Canal