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Anatomy and Physiology I Bones of the Vertebral Column and Thoracic Cage Instructor: Mary Holman.

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1 Anatomy and Physiology I Bones of the Vertebral Column and Thoracic Cage Instructor: Mary Holman

2 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. (b) 5 Lumbar vertebrae 12 Thoracic vertebrae 7 Cervical vertebrae Sacrum Coccyx Fig. 7.32b Vertebral Column Posterior View

3 Human Embryo Primary Curvature of the Vertebral Column concaveconvex Fig 23.14c 8 weeks4 weeks

4 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Cervical curvature Thoracic curvature Lumbar curvature Sacral curvature Vertebra prominens Rib facet Intervertebral discs Intervertebral foramina Sacrum Coccyx Fig. 7.32a AnteriorPosterior Four Spinal Curvatures concaveconvex 1 o curvature

5 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Body Pedicle Vertebral foramen Superior articular process Facet for tubercle of rib Transverse process Lamina Spinous process Fig. 7.33c Thoracic Vertebra - Superior View Posterior Anterior Basic Vertebral Structure

6 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Inferior articular process Intervertebral notch Body Pedicle Superior articular process Transverse process Facet for tubercle of rib Spinous process Fig. 7.33a Thoracic Vertebra - Lateral View AnteriorPosterior

7 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Body Superior articular process Spinous process Transverse process Inferior articular process Intervertebral disc Anterior Posterior Fig. 7.33b

8 Intervertebral Disc

9 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. AnteriorPosterior © Royalty Free/CORBIS Fig. 7.35

10 C1 - Atlas C2 - Axis C3 C4 C5 C6 C7 T1 T12 L1 L5 Sacrum Coccyx Names of Vertebrae Posterior view S1 S5

11 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Anterior Posterior Atlas - First Cervical Vertebra - C1 Superior View Transverse foramen Vertebral foramen Transverse process Facet that articulates with dens (odontoid process) of axis or C2 vertebra Facet that articulates with occipital condyle of the Occiptal bone Fig. 7.34a

12 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Anterior articular facet for atlas Inferior articular process Transverse foramen Body Transverse process Superior articular facet Spinous process Dens Fig. 7.34b Axis - C2 Lateral View Superior Inferior Posterior Anterior

13 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Axis - C2 Superior View Transverse foramen Body Dens (odontoid process) Superior articular facet Spinous process is bifid Fig. 7.34c Posterior Anterior

14 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Cervical vertebrae C3-C6 Superior view Bifid spinous process Vertebral foramen Lamina Body Superior articular facet Transverse foramen Transverse process Fig. 7.36a Posterior Anterior Transverse foramen

15 Fig Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Subclavian artery Common carotid artery Brachiocephalic artery Vertebral artery

16 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Thoracic vertebra - superior view Lamina Pedicle Body Spinous process Vertebral foramen Facet that articulates with rib head Facet that articulates with rib tubercle Superior articular facet Transverse process Fig. 7.36b Posterior Anterior

17 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Lumbar vertebra - superior view Lamina Pedicle Body Vertebral foramen Spinous process Superior articular process Transverse process Fig. 7.36c Posterior Anterior

18 (c) Lumbar vertebra (a) Cervical vertebra Transverse foramen (b) Thoracic vertebra Facet that articulates with rib head Facet that articulates with rib tubercule Fig Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Review: Distinguishin g the three types of Vertebrae Superior View

19 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Cervical curvature Thoracic curvature Lumbar curvature Sacral curvature Vertebra prominens Rib facet Intervertebral discs Intervertebral foramina Sacrum Coccyx Fig. 7.32a AnteriorPosterior Lateral View of the Spinal Column concaveconvex

20 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Coccyx Sacrum Superior articular process Sacral promontory Anterior sacral foramen Fig. 7.37a Sacrum and Coccyx Anterior View Base Apex

21 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Sacral canal Tubercle of median sacral crest Auricular surface Posterior sacral foramen Sacral hiatus Coccyx Sacrum Superior articular process Fig. 7.37b Sacrum and Coccyx Posterior View

22 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. © Victor B. Eichler, PhD Fig. 7.38b

23 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display (a) Sternum Body Manubrium Xiphoid process Thoracic vertebra Clavicular notch Sternal angle Jugular notch (suprasternal notch) Fig. 7.38a Thoracic Cage - Sternum

24 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display True ribs (vertebrosternal ribs) Vertebro- chondral ribs False ribs (a) Floating ribs (vertebral ribs) Ribs Costal cartilage Hyaline cartilage Fig. 7.38a Thoracic Cage - Ribs T11 T12 L1 L2

25 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Costal groove Shaft Anterior end Head Tubercle Neck Fig. 7.39a Posterior View of a Right Rib

26 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Anterior end (sternal end) Shaft Facet Head Neck Tubercle Facet Spinous process Fig. 7.39b Articulation of a Right Rib with a Thoracic Vertebra Superior View


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