NAME: _______________________________ PERIOD: ______________

ANATOMY – CHAPTER 5 NOTES – SKELETAL SYSTEM

1. What are the parts of the skeletal system?

2. What are the two subdivisions of the skeleton?

3. What are the 5 functions of bones?

4. The adult skeleton has ____________________bones

5. Two basic types of bone tissue are:

6. Label the following:

7.8. What are 3 characteristics of long bones?

9. What are 2 characteristics of short bones?

10. What are 2 characteristics of flat bones?

11. What are 2 characteristics of irregular bones?

12. What are the two parts of a long bone?

13.14. Define periosteum, and explain the function of sharpey’s fibers and arteries

15. 16. What are the 3 characteristics of articular cartilage?

17. What is the epiphyseal plate and line?

18. What does the medullary cavity contain?

19. What are two things that a bone’s surface features might indicate?

20. How do we categorize bone features?

21. What is an osteon?

22. What is a Central Canal?

23. What is a Perforating Canal?

24.

25. What is contained in Lacunae, Lamellae, and Canulliculi?

26.

27. In embryos, the skeleton is primarily ________________________________.

28. During development, much of this cartilage is __________________________

29. Cartilage remains in isolated areas: _______________________, _______________, ______________

30. ______________________________ allow for lengthwise growth of long bones during childhood

31. How does older cartilage become ossified?

32. Bones are ________________________________________ until growth stops

33. Bones are remodeled in response to two factors:a. 1

b. 2

34. What is bones growth in width called?

35.

36.37. What are Osteocytes?

Bone startingto replacecartilage

Epiphysealplatecartilage

ArticularcartilageSpongybone

In a childIn a fetusIn an embryo

New boneforming

Growthin bonewidth

Growthin bonelength

Epiphysealplate cartilage

New boneforming

Bloodvessels

Hyalinecartilage

New center ofbone growth

Medullarycavity

Bone collarHyalinecartilagemodel

(a)

38. What are Osteoblasts?

39. What are Osteoclasts?

40. Break down bone matrix for remodeling and release of calcium in response to _____________________

41. Bone remodeling is performed by both _______________________________________