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Axial Skeleton Notes Part 1

Axial Skeleton Notes Part 1. Skull http:// www.gwc.maricopa.edu /class/bio201/skull/ antskul.htm. Divisions of the Skeleton. Axial Skeleton Skull bones of the face bones of the cranium Vertebral Column Bones of the thorax. Appendicular Skeleton Shoulder girdle and arms

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Axial Skeleton Notes Part 1

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  1. Axial Skeleton Notes Part 1 Skull http://www.gwc.maricopa.edu/class/bio201/skull/antskul.htm

  2. Divisions of the Skeleton • Axial Skeleton • Skull • bones of the face • bones of the cranium • Vertebral Column • Bones of the thorax • Appendicular Skeleton • Shoulder girdle and arms • Pelvic girdle and legs

  3. Skull • Cranium (8 bones) • occipital bone (1): lower back of head

  4. Skull • Cranium (8 bones): • parietal bones (2): 2 top sides

  5. Skull • Cranium (8 bones): • frontal bone (1): forehead

  6. Skull • Cranium (8 bones): • sphenoid (1): base of braincase

  7. Skull • Cranium (8 bones): • ethmoid (1): frontal floor of braincase

  8. Skull • Cranium (8 bones): • temporal bones (2): above the ear • mastoid process is part of this

  9. Quiz! • What bone is depicted?

  10. Quiz! • What bone is depicted?

  11. Skull • Bones of the face (14 bones) • nasal bone (2): small bones that form the bridge of the nose

  12. Skull • Bones of the face (14 bones) • nasal septum (1): divider of nasal cavity (aka vomer)

  13. Skull • Bones of the face (14 bones) • zygomatic bones (2): cheek bones

  14. Skull • Bones of the face (14 bones) • maxillae (2): upper jaw bone

  15. Skull • Bones of the face (14 bones) • palatines (2): part of hard palate

  16. Skull • Bones of the face (14 bones) • lacrimals (2): form part of eye socket

  17. Skull • Bones of the face (14 bones) • inferior nasal conchae (2): form part of nose Inferior Nasal Concha

  18. Skull • Bones of the face (14 bones) • mandible (1): lower jaw bone that articulates with the temporal bones • has 2 foramina called mental foramina

  19. Quiz! • What bone is depicted?

  20. Quiz! • What structure is depicted?

  21. Quiz! • What bone is depicted?

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