1. 7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Skeletal System Chapter 3

2. © 2013 Delmar, Cengage Learning. All Rights Reserved Overview of Structures, Combining Forms, and Functions of the Skeletal System

3. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones Primary Function –Act as the framework for the body –Protect the internal organs –Store the mineral calcium Related Word Parts (Combining Forms) –oss/e, oss/i –oste/o, ost/o (continues)

4. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones Typical Long Bone (continues)

5. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones (continues)

6. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones (continues)

7. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones (continues)

8. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones (continues)

9. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones (continues)

10. © 2013 Delmar, Cengage Learning. All Rights Reserved Bones

11. © 2013 Delmar, Cengage Learning. All Rights Reserved Bone Marrow Primary Function –Red bone marrow forms some blood cells. –Yellow bone marrow stores fat. Related Word Parts (Combining Forms) –myel/o (also means spinal cord)

12. © 2013 Delmar, Cengage Learning. All Rights Reserved Cartilage Primary Function –Creates a smooth surface for motion within the joints –Protects the ends of the bones Related Word Parts (Combining Forms) –chondr/o

13. © 2013 Delmar, Cengage Learning. All Rights Reserved Joints Primary Function –Work with the muscles to make a variety of motions possible Related Word Parts (Combining Forms) –arthr/o (continues)

14. © 2013 Delmar, Cengage Learning. All Rights Reserved Joints

15. © 2013 Delmar, Cengage Learning. All Rights Reserved Ligaments Primary Function –Connect one bone to another Related Word Parts (Combining Forms) –ligament/o (continues)

16. © 2013 Delmar, Cengage Learning. All Rights Reserved Ligaments

17. © 2013 Delmar, Cengage Learning. All Rights Reserved Synovial Membrane Primary Function –Forms the lining of synovial joints –Secretes synovial fluid Related Word Parts (Combining Forms) –synovi/o, synov/o

18. © 2013 Delmar, Cengage Learning. All Rights Reserved Synovial Fluid Primary Function –Lubricant that makes smooth joint movements possible Related Word Parts (Combining Forms) –synovi/o, synov/o

19. © 2013 Delmar, Cengage Learning. All Rights Reserved Bursa Primary Function –Cushions areas of joints that are subject to friction during movement Related Word Parts (Combining Forms) –burs/o

20. © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions ankyl/o –crooked, bent, stiff arthr/o –joint chondr/i, chondr/o –cartilage cost/o –rib (continues)

21. © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions crani/o –skull -desis –to bind, tie together kyph/o –bent, hump lord/o –curve, swayback bent (continues)

22. © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions -lysis –loosening or setting free myel/o –spinal cord, bone marrow oss/e, oss/i, ost/o, oste/o –bone scoli/o –curved, bent (continues)

23. © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions spondyl/o –vertebrae, vertebral column, backbone synovi/o, synov/o –synovial membrane, synovial fluid -um –singular noun ending

24. © 2013 Delmar, Cengage Learning. All Rights Reserved Questions

25. © 2013 Delmar, Cengage Learning. All Rights Reserved Question There are 15 phalanges (finger bones) in a human hand. True or False?

26. © 2013 Delmar, Cengage Learning. All Rights Reserved Answer False. The human hand has 14 phalanges.

27. © 2013 Delmar, Cengage Learning. All Rights Reserved Question Nearly one fourth of all human bones can be found in the feet. True or False?

28. © 2013 Delmar, Cengage Learning. All Rights Reserved Answer True

29. © 2013 Delmar, Cengage Learning. All Rights Reserved Question Babies are born with 300 bones, but by adulthood, we have only 206. True or False?

30. © 2013 Delmar, Cengage Learning. All Rights Reserved Answer True

31. © 2013 Delmar, Cengage Learning. All Rights Reserved Question The largest bone in the human body is the: a.femur b.pelvis c.fibula

32. © 2013 Delmar, Cengage Learning. All Rights Reserved Answer a. the femur (thigh bone)