INTRODUCTION TO ANATOMY AND PHYSIOLOGY

Skull Skeletal System

The Skull consist of 22bones. The bones of the cranium protect the brain and provide muscle attachment points for muscles of the skull.

  • Frontal Bone – this forms the forehead and the upper part of the eye sockets.
  • Parietal bone – this forms the roof of the cranium. We recognize this as the anterior fontanelle.
  • Occipital bone – this forms the back of the cranium.
  • Temporal bone – this forms part of the sides of the cranium situated above the ears.
  • Sphenoid bone – this forms the upper floor base of the cranium – a bridge between the facial bones and the cranium.
  • Ethmoid bone – this forms part of the eye socket and the roof of the nasal cavity and art of the nasal spectrum
  • Lachrymal bone – bones found medically within the orbital cavity (eye sockets)
  • Turbinate bone – these located either side of the walls of the nasal cavity.
  • Vomer bone – facial bone at the back of the nasal spectrum
  • Palatine bone – bones that form the anterior portion of the roof of the mouth.
  • Zygomatic arch – bones either side of the face forming the cheek bones.
  • Maxilla – bones that form the upper part of the jaw and contain the upper teeth at the front of the face.
  • Mandible – lower jawbone contains the lower teeth.
  • Mastoid – situated on the lower edge of the occipital bone.
  • Nasal – bones that extend forward from the base of the frontal bone.
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