3. Osteoarthritis Flashcards
1
Q
Structure of normal joint
A
- synovial membrane
- synovial fluid
- periarticular soft tissue
- subchondral bone
- articulate cartilage
2
Q
Articulate cartilage
A
3
Q
Chondrocytes
A
Synthesis of ECM! (Collagen, proteoglycans)
Degradation of ECM
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-
-
4
Q
Collagen in joint
A
5
Q
Proteoglycans in articulate cartilage
A
If osteoarthritis -> decreased water binding capacity
6
Q
Hyaluronan in articulate cartilage
A
7
Q
Structure of joint capsule
A
8
Q
Definition of osteoarthritis
A
9
Q
Pathogenesis of osteoarthritis
A
10
Q
Molecular pathogenesis of osteoarthritis
A
11
Q
Normal joint vs joint with osteoarthritis
A
12
Q
Pathogenesis
A
13
Q
Abnormal forces on joint surface as cause of OA
A
Angular/flexor deformities
14
Q
Disturbance in cartilage development as a cause of OA
A
…
15
Q
Clinical signs of osteoarthritis
A
- joint effusion increased
- lameness
- decreased range of motion
- changes in synovial parameters (microscopically and lab parameters)
- cartilage damage
- new bone formation (osteophytes)