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Hyoid bone

Hyoid bone. Superior view. Vertebral column. B. REGIONS OF VERTEBRAL COLUMN. Cervical (neck) - 7 vertebrae (C1-C7) Thoracic (chest) - 12 vertebrae (T1-T12) Lumbar (lower back) - 5 vertebrae (L1-L5) Sacral (pelvis) - 5 fused vertebrae (S1-S5) Coccygeal (tail) - 3-5 vertebrae (Co1-Co3).

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Hyoid bone

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  1. Hyoid bone

  2. Superior view

  3. Vertebral column

  4. B. REGIONS OF VERTEBRAL COLUMN Cervical (neck) - 7 vertebrae (C1-C7) Thoracic (chest) - 12 vertebrae (T1-T12) Lumbar (lower back) - 5 vertebrae (L1-L5) Sacral (pelvis) - 5 fused vertebrae (S1-S5) Coccygeal (tail) - 3-5 vertebrae (Co1-Co3) - Structure of vertebrae differ in different regions

  5. VERTEBRAE GENERAL FEATURES

  6. TYPICAL VERTEBRA 1. BODY – anterior, solid transmits weight 2. VERTEBRAL ARCH – posterior, surrounds vertebral canal, spinal cord; consists of a)PEDICLES – project from body b) LAMINAE – unite to form arch posteriorly anterior Anterior BODY TRANSVERSE PROCESS-LATERAL { PEDICLE VERTEBRAL ARCH LAMINA SPINOUS PROCESS - POSTERIOR 3. TRANSVERSE AND SPINOUS PROCESSES - projections from arch for muscle, ligament attach

  7. Cervical vertebrae

  8. Typical cervical vertebra

  9. Typical cervical vertebra

  10. Atlas

  11. Axis-vertebra CII (superior view)

  12. Axis

  13. Atlas and axis (anterolateral view)

  14. Thoracic vertebrae

  15. Lumbar vertebrae

  16. sacrum

  17. Pelvic surface

  18. Dorsal surface of the sacrum

  19. Ribs

  20. sternum

  21. Suprasternal notch Rib 1 Manubrium Rib 2 Sternal angle Costal cartilage Body of sternum Xiphoid process

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