1. PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings PART C 5 The Skeletal System

2. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Fetal Skull  The fetal skull is large compared to the infant’s total body length  ____________—fibrous membranes connecting the cranial bones  Allow the _______________  Convert to bone within _____ months after birth

3. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Fetal Skull Figure 5.13a

4. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Fetal Skull Figure 5.13b

5. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column  Each vertebrae is given a name according to its location  There are ____ single vertebral bones separated by ____________ discs  _________ _________ vertebrae are in the neck  _________ __________ vertebrae are in the chest region  ________ _________ vertebrae are associated with the lower back

6. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column  Nine vertebrae fuse to form two composite bones  __________

7. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Figure 5.14

8. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column  The spine has a normal curvature  ___________ curvatures are the spinal curvatures of the _________ and _______ regions  Present from birth  ___________ curvatures are the spinal curvatures of the ________ and ___________ regions  Develop after birth

9. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Figure 5.15

10. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Figure 5.16

11. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings A Typical Vertebrae, Superior View Figure 5.17

12. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18a

13. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18b

14. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18c

15. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18d

16. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Sacrum and Coccyx  __________  Formed by the fusion of ________ vertebrae  __________  Formed from the fusion of _______ to ______ vertebrae  “Tailbone,” or remnant of a tail that other vertebrates have

17. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Sacrum and Coccyx Figure 5.19

18. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Bony Thorax  Forms a cage to protect major organs  Consists of three parts  ___________  Ribs  _________ (pairs 1–7)  _________ (pairs 8–12)  ___________ (pairs 11–12)  __________ vertebrae

19. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Bony Thorax Figure 5.20a