Honors Anatomy & Physiology The Axial Skeleton. Skeletal Divisions 206 separate bones +...

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Transcript of Honors Anatomy & Physiology The Axial Skeleton. Skeletal Divisions 206 separate bones +...

  • Slide 1
  • Honors Anatomy & Physiology The Axial Skeleton
  • Slide 2
  • Skeletal Divisions 206 separate bones + cartilages Axial Skeleton (80 bones) Skull (22 bones) + 7 associated bones Thoracic Cage (24 ribs + sternum) Vertebral Column (26 bones) Appendicular Skeleton (126 bones) Limb bones Pectoral and pelvic girdles
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  • The Skull
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  • Paranasal Sinuses: Mucosal lined air cavities that lighten the skull and resonate sound, mucusal secretions are released into the nasal cavity
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  • Anterior View
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  • Superior View
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  • Slide 9
  • The Skull
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  • Newborn Skull
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  • The Thoracic Cage
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  • The Vertebral Column 7 Cervical vertebrae Atlas C1 (yes) No body Axis C2 (no) dens 12 Thoracic vertebrae Articulate with ribs 5 Lumbar vertebrae Largest Sacrum and coccyx fused together
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  • Atlas and Axis
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  • Typical Vertebrae
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  • Sacrum and Coccyx
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  • Homework Write 1 paragraph explaining Compare Scoliosis, Lordosis and Kyphosis What are they How treated How compare Include works cited