Bone Repair Flashcards
1
Q
Steps in bone repair
A
Hematoma
Fibrocartiaginous callus
Bony callus
Bone remodeling
2
Q
Step one
A
Hematoma forms:
Blood vessels clot
Inflammation last 6-8 hours
3
Q
Step two
A
Fibrocartiaginous callus forms
Phagocytic cells clear debris
Spongy bone starts forming (osteoblasts)
Fibroblasts secrete collagen fibers to connect bone ends
Lasts about 3 weeks
4
Q
Step 3
A
Bony callus formed
New trabeculae form a bony hard callus
Continues until firm (2 months)
5
Q
Step 4
A
Bone remodeling
I response to stressors
Final structure resembles original
