1. What components comprise the skeletal system?
BIOL 2010 Human Anatomy & Physiology I
What components comprise the skeletal system?
_______
__________
__________
_________
Are bones dead?

2. Skeletal System Functions: _________ _________ _________
Ask not what you can do for your skeleton… ask what your skeleton can do for you!
Functions:
_________
_________ _________
What types of animals DON’T have skeletons?
List some examples of organs protected…
Do all movements rely on skeletal system?
What types of elements are most likely stored in bone?
What does the skeletal system have to do with blood cells?

3. How does cartilage relate to the skeletal system?!?
_________, _______ and _______ depend on hyaline cartilage!
Chondroblasts Chondrocytes
Lacunae Perichondrium
Fibroblasts Blood vessels

4. Discuss with your neighbor and predict an answer.
Take 5!!!
Explain why damaged cartilage takes a long time to heal. Why doesn’t articular cartilage have a perichondrium, blood vessels, or nerves?
Discuss with your neighbor and predict an answer.

5. Mary, Mary quite contrary how does your cartilage grow?!?
____________ growth
Cartilage growth occurs in 2 regions…
1) __________ via _____________ cell division and matrix deposition
____________ growth
2) __________ via __________ division and matrix deposition

6. How are the variety of bone shapes categorized?!?
_____
_________
Longer than wide
As long as wide
Relatively thin (can be curved)
Any shape left over

7. What are the anatomical structures of long bones?
Consist of 2 primary regions
__________
The ends of longs bones, primarily cancellous bone
The shaft of long bones, primarily compact bone

8. What are the anatomical structures of long bones?
Cartilage (hyaline) plate between 2 regions plays special role!!!
___________ _____
The cartilage grows and becomes _________ tissue.
Why wouldn’t you want growth here as an adult?

9. What are the anatomical structures of long bones?
What is a good term for the membrane “around” the “bone” ?
__________
2 layers, contains blood vessels & nerves
__________
Single layer of cells lining medullary cavity and cancellous spaces

10. What are the anatomical structures of long bones?
Marrow
Types: ______
______
Distribution: __________
__________
Site of blood cell formation
Mostly lipids, energy storage
Location of red marrow
Location of yellow marrow

11. What are the anatomical structures of flat, short and irregular bones?
______
“Cancellous sandwich” no “dia” or “epi” physes
______
Would you expect diaphysis?
___________
No diaphysis, small epiphyses possible

12. What are the histological features of bone?
Looking at this tissue… it is mostly ________
Mostly (65%) inorganic _______________ ~ Ca10(PO4)6(OH)2
Organics are ________ and _______________ (35%)

13. ? ? What are the histological features of bone?
Normal long bone
Of the 2 components: fibers vs. crystals which type are missing from these bones? ?
No _______
No _______ ?