Tendons Flashcards
1
Q
Tendon composition? (3)
A
Water
Collagen (I and III)
Proteoglycans
2
Q
Decorin (PG) function?
A
Regulates the diameter of collagen
3
Q
Aggrecan function?
A
Found in areas of tendon compression
4
Q
Inserts into bone through 4 zones. Name them:
A
- Tendon
- Uncalcified fibrocartilage
- Calcified fibrocartilage
- Bone
5
Q
Blood supply from? (3)
A
- Musculotendinous junction
- Oseotendinous junction
- Surrounding tissues(Flexor tendons)
6
Q
3 major differences btw tendons and ligaments? Tendons:
A
- Less visoelastic
- Contain more collagen
- Contain less elastin/PG/
7
Q
4 stages of tendon healing?
A
- Hemostasis
- Inflammation
- Organogenesis
- Remodelling
8
Q
Fibrobasts produce which type of collagen during inflammatory phase?
A
3
9
Q
Organogenesis marks what 2 changes?
A
Collagen organisation
Angiogenesis
10
Q
Tendon repair weakest at?
A
7-10 days
11
Q
Tendon repair strongest at?
A
6 months
12
Q
What happens during remodelling phase?
A
Type 3 collagen replaced by type 1
Up to 1 year
