Biology 223 Human Anatomy and Physiology Week 3; Lecture 1; Wednesday Dr. Stuart S. Sumida The Axial...

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Transcript of Biology 223 Human Anatomy and Physiology Week 3; Lecture 1; Wednesday Dr. Stuart S. Sumida The Axial...

  • Biology 223Human Anatomy and PhysiologyWeek 3; Lecture 1; WednesdayDr. Stuart S. SumidaThe Axial Skeleton

  • Axial Skeleton

    Development of the skeleton

  • Structural features of the vertebrae:CentrumNeural archTransverse processesSpinous processZygapophyses

  • Cervical verterbrae:

    Transverse foramenVertebral artery

  • Atlas and Axis Vertebrae

  • Thoracic vertebrae

  • Lumbar vertebrae

  • 4 Distinct Curvatures of the Vertebral Column

  • Characteristic number of vertebrae in each regionSegmental spinal nervesNumber system for the spinal nerves (See pages 68-69 of your lab manual.)

  • Ribs Know:

    Difference between "true ribs," "false ribs," and "floating ribs.

    Body or shaft

    Head of the rib

    Tubercle

  • SternumBodyManubriumXiphoid process

  • Functions of the Axial Skeleton

    SupportProtectionRespiration