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) vertebrae (Co1-Co3)
- Structure of vertebrae differ in different regions

5. VERTEBRAE GENERAL FEATURES

6. { TYPICAL VERTEBRA BODY VERTEBRAL ARCH
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

8. Cervical vertebrae

9. Typical cervical vertebra

10. Typical cervical vertebra

12. Atlas

14. Axis-vertebra CII (superior view)

17. Axis

18. Atlas and axis (anterolateral view)

20. Thoracic vertebrae

23. Lumbar vertebrae

25. sacrum

26. Pelvic surface

27. Dorsal surface of the sacrum

28. Ribs

31. sternum

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