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Biology 223Human Anatomy and PhysiologyWeek 3; Lecture 1; WednesdayDr. Stuart S. Sumida
The Axial Skeleton
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Axial Skeleton
Development of the skeleton
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Structural features of the vertebrae:•Centrum•Neural arch•Transverse processes•Spinous process•Zygapophyses
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Cervical verterbrae:
•Transverse foramen•Vertebral artery
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Atlas and Axis Vertebrae
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Thoracic vertebrae
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Lumbar vertebrae
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4 Distinct Curvatures of the Vertebral Column
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•Characteristic number of vertebrae in each region•Segmental spinal nerves•Number system for the spinal nerves• (See pages 68-69 of your lab manual.)
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Ribs – Know:
•Difference between "true ribs," "false ribs," and "floating ribs.“
•Body or shaft
•Head of the rib
•Tubercle
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Sternum•Body•Manubrium•Xiphoid process
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Functions of the Axial Skeleton
•Support•Protection•Respiration
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