1. Chapter 3
The Skeletal System

2. Overview of Structures, Combining Forms, and Functions
© 2009 Delmar, Cengage Learning

3. Bones Primary Function Related Combining Forms
Act as the framework for the body
Protect the internal organs
Store the mineral calcium
Related Combining Forms
oss/e, oss/i
oste/o, ost/o

4. Lateral View of Skull

5. Anterior View of Skull

6. Bone Marrow Primary Functions Related Combining Form
Red bone marrow forms some blood cells.
Yellow bone marrow stores fat.
Related Combining Form
myel/o (also means spinal cord)

7. Cartilage Primary Functions Related Combining Form
Creates a smooth surface for motion within the joints.
Protects the ends of the bones.
Related Combining Form
chondr/o

8. Joints Primary Function Related Combining Form
Work with the muscles to make a variety of motions possible.
Related Combining Form
arthr/o

9. Examples of Synovial Joints

10. Synovial Joint

11. Ligaments Primary Function Related Combining Form
Connect one bone to another.
Related Combining Form
ligament/o

12. Synovial Membrane Primary Functions Related Combining Forms
Forms the lining of synovial joints.
Secretes synovial fluid.
Related Combining Forms
synovi/o, synov/o

13. Synovial Fluid Primary Function Related Combining Forms
Lubricant that makes smooth joint movements possible.
Related Combining Forms
synovi/o, synov/o

14. Bursa Primary Function Related Combining Form
Cushions areas of joints that are subject to friction during movement.
Related Combining Form
burs/o

15. Animations
© 2009 Delmar, Cengage Learning

16. Curvatures of the Spine
Click Here to play Curvatures of the Spine animation

17. Osteoarthritis and Rheumatoid Arthritis
Click Here to play Osteoarthritis and Rheumatoid Arthritis animation

18. Internal Fixation of Fractures
Click Here to play Internal Fixation of Fractures animation

19. Answers to Learning Exercises
© 2009 Delmar, Cengage Learning

20. Chapter 3 Answers Matching Word Parts 1 3.1. kyph/o 3.2. chondr/o
3.3. ankyl/o
3.4. arthr/o
3.5. -um
Matching Word Parts 2
3.6. crani/o
3.7. cost/o
3.8. -lysis
3.9. myel/o
desis

21. Chapter 3 Answers Matching Word Parts 3 3.11. spondyl/o 3.12. scoli/o
3.13. lord/o
3.14. synovi/o, synov/o
3.15. oste/o
Definitions
3.16. diaphysis
3.17. tarsal
3.18. manubrium
3.19. synovial joint
3.20. pubis

22. Chapter 3 Answers Definitions 3.21. foramen 3.22. ligament
3.23. acetabulum
3.24. phalanges
3.25. process
Matching Structures
3.26. sternum
3.27. zygomatic
3.28. clavicle
3.29. patella
3.30. olecranon process

23. Chapter 3 Answers Which Word? 3.31. arthrolysis
3.32. fibrous dysplasia
3.33. allogenic
3.34. vertebroplasty
3.35. osteoarthritis
Spelling Counts
3.36. lumbago
3.37. osteoclasis
3.38. spondylitis
3.39. osteorrhaphy
3.40. crepitation

24. Chapter 3 Answers Abbreviation Identification
3.41. bone marrow transplant
3.42. closed reduction
3.43. fracture
3.44. rheumatoid arthritis
3.45. temporomandibular joint
Term Selection
3.46. osteonecrosis
3.47. lordosis
3.48. spina bifida
3.49. myeloma
3.50. callus

25. Chapter 3 Answers Sentence Completion 3.51. craniectomy
3.52. subluxation
3.53. arthrodesis
3.54. arthroplasty
3.55. hallux valgus
Word Surgery
3.56. burs, -ectomy
3.57. oste/o, chondr, oma
3.58. oste/o, -malacia
3.59. peri-, ost, -itis
3.60. spondyl/o, lithesis

26. Chapter 3 Answers True/False 3.61. True 3.62. False 3.63. True
Clinical Conditions
3.66. greenstick
3.67. osteomyelitis
3.68. secondary bone cancer
3.69. kyphosis
3.70. orthotic

27. Chapter 3 Answers Clinical Conditions 3.71. craniotomy
3.72. autologous
3.73. chondromalacia
3.74. rheumatoid
3.75. bursitis
Which Is the Correct Medical Term?
3.76. comminuted
3.77. chondroplasty
3.78. dual x-ray absorptiometry
3.79. traction
3.80. talipes

28. Chapter 3 Answers Challenge Word Building 3.81. osteosclerosis
3.82. costectomy
3.83. chondropathy
3.84. arthrotomy
3.85. chondritis
3.86. arthrectomy
3.87. polyarthritis
3.88. osteoarthropathy
3.89. costotomy
3.90. craniomalacia

29. Chapter 3 Answers Labeling Exercises 3.91. cervical 3.92. scapula
3.93. humerus
3.94. coccyx
3.95. femur
3.96. patella
3.97. parietal
3.98. frontal
3.99. occipital
mandible