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Lesson 7.3
Four categories of bones based
on shape:
1.Long bones – longer than they
  are wide

Example: femur
Four categories of bones based on shape:
1.    Long bones



2.Short bones – like long bones
but smaller
Example: metacarpals
Four categories of bones based on shape:
1. Long bones
2. Short bones



3.Flat bones - are flat
Examples: ribs, bones of cranium
Usually protective in nature
Four categories of bones based on shape:
1. Long bones
2. Short bones
3. Flat bones



4. Irregular bones – shape
  does not fit into other
  three categories

Example:
   vertebrae
:
Four categories of bones based on shape


5th       type - sesmoid
Where tendon passes over
joint.
Ex. Patella
Parts of a long bone:

Diaphysis – shaft of the
bone

Epiphysis – ends of the
bone or bulged ends
Parts of a long bone:
•Diaphysis
•Epiphysis


Periosteum – protective
covering or sheath that
surrounds the bone and
contains blood vessels to
nourish the bone cells
Biology Lesson 7.3
Types of bone tissue:
1. Compact bone
 • Solid matrix, very dense
 • Makes up 80% of skeleton
 • Forms a shell around cancellous
 bone
 • Primarily in diaphysis
Biology Lesson 7.3
Types of bone tissue:
1. Compact bone


2. Spongy bone
  •found primarily in the epiphysis
  and medullary cavity
  •light weight and porous (spongy in
  appearance)
   • allows for the location of red
   blood cells and white blood cells
   to be made
Biology Lesson 7.3
Medullary cavity –

         core of the shaft is a cavity
that as a child houses red marrow

                  and

       as adults houses yellow
marrow (fat).
Biology Lesson 7.3
1. Hydroxyapatite      12. Slows
2. Calcium             13. Calcium
3. Collagen            14. Leafy
4. Protein             15. Rickets
5. Steel               16. Osteomalacia
6. Maintaining         17. Bone
7. Repairing           18. Adjust
8. Modifying           19. Stress
9. Osteoclast          20. Ossification
10. Haversian canals   21. Sternum
11. osteoblast         22. 25
23. Fracture
24. Cleanly
25. Greenstick
26. Twisted
27. Shattered
28. Fractures
29. Skin
30. Compound
31. Hematoma
32. Osteoblast
33. Reconstruct

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Biology Lesson 7.3

  • 1. Lesson 7.3 Four categories of bones based on shape: 1.Long bones – longer than they are wide Example: femur
  • 2. Four categories of bones based on shape: 1. Long bones 2.Short bones – like long bones but smaller Example: metacarpals
  • 3. Four categories of bones based on shape: 1. Long bones 2. Short bones 3.Flat bones - are flat Examples: ribs, bones of cranium Usually protective in nature
  • 4. Four categories of bones based on shape: 1. Long bones 2. Short bones 3. Flat bones 4. Irregular bones – shape does not fit into other three categories Example: vertebrae
  • 5. : Four categories of bones based on shape 5th type - sesmoid Where tendon passes over joint. Ex. Patella
  • 6. Parts of a long bone: Diaphysis – shaft of the bone Epiphysis – ends of the bone or bulged ends
  • 7. Parts of a long bone: •Diaphysis •Epiphysis Periosteum – protective covering or sheath that surrounds the bone and contains blood vessels to nourish the bone cells
  • 9. Types of bone tissue: 1. Compact bone • Solid matrix, very dense • Makes up 80% of skeleton • Forms a shell around cancellous bone • Primarily in diaphysis
  • 11. Types of bone tissue: 1. Compact bone 2. Spongy bone •found primarily in the epiphysis and medullary cavity •light weight and porous (spongy in appearance) • allows for the location of red blood cells and white blood cells to be made
  • 13. Medullary cavity – core of the shaft is a cavity that as a child houses red marrow and as adults houses yellow marrow (fat).
  • 15. 1. Hydroxyapatite 12. Slows 2. Calcium 13. Calcium 3. Collagen 14. Leafy 4. Protein 15. Rickets 5. Steel 16. Osteomalacia 6. Maintaining 17. Bone 7. Repairing 18. Adjust 8. Modifying 19. Stress 9. Osteoclast 20. Ossification 10. Haversian canals 21. Sternum 11. osteoblast 22. 25
  • 16. 23. Fracture 24. Cleanly 25. Greenstick 26. Twisted 27. Shattered 28. Fractures 29. Skin 30. Compound 31. Hematoma 32. Osteoblast 33. Reconstruct