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Skull

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  1. Skull • Formed by two sets of bones:

  2. Cranium The cranium is composed of • External Acoustic Meatus – • Styloid process – • Zygomatic process – • Mastoid process –

  3. Features of the Temporal Bones C. A. D. B.

  4. Cranium Bone Information • Contains the Foramen Magnum-large hole in base of skull where spinal cord connects to brain http://highered.mcgraw-hill.com/olcweb/cgi/pluginpop.cgi?it=swf::640::480::/sites/dl/free/0072919329/63069/08_04a_1.swf::The%20Skull%20%28a%29

  5. D. A. E. B. F. C.

  6. Facial Bone Information • Finger-nail sized bones which contain a groove that serves as a passageway for tears

  7. (Roof of mouth) (Separates nasal cavities)

  8. A. C. D. E. B. F.

  9. Skull Bone Practice • Anterior View: http://www.wiley.com/college/apcentral/anatomydrill/t07/at0703_1.htm • Right Lateral View: http://www.wiley.com/college/apcentral/anatomydrill/t07/at0704_1.htm • Inferior View:http://www.wiley.com/college/apcentral/anatomydrill/t07/at0707_1.htm

  10. SHOULD LEARN ALL OF THESE BONES Coronal suture Lamboid suture Squamous suture

  11. Skull Labeling – Identify the following bones/structures of the skull • Frontal • Parietal • Temporal • Zygomatic • Occipital • External Acoustic Meatus • Styloid Process • ZygomaticProcess • Palatine • Mastoid Process • Maxillary • Mandible • Nasal • Lacrimal • Ethmoid • Sphenoid • Vomer • Foramen Magnum

  12. Sinuses • There are ____ main sinuses in the skull. Each are named for the bone in which they are located: Sinus Practice: http://www.wiley.com/college/apcentral/anatomydrill/t07/at0712_1.htm

  13. Fetal Skull

  14. Contains fibrous regions that have yet to be converted into bone • Called • Also,