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Joints Part 2
joints
| Question | Answer |
|---|---|
| Symphysis (Amphiarthrosis) | Two bones connected by tough fibrocartilage |
| Pubic symphysis | intervertebral discs |
| synovial joint (Diarthrosis) | articular capsule and synovial fluid fiber, cartilage, bone |
| Articular cartilage | reduces friction in joints, aided by synovial fluid resembles hylaine cartilage (smooth, brittle, glass like, heals poorly) but has more water |
| Oseoarthritis (MC) | bone breaks down, rough surface result= pain due to friction |
| Synovial Fluid | Plasma filtrate with hyaluronic acid secreted by fibroblasts in the synvial |
| Lubrication (synovial) | weeping cartilage like a sponge filled with synovial fluid; creates hydroplane surface |
| Nutrient Distribution (Synovial) | chondrocytes live in avascular articular cartilage; get rid of waste through vacuum created by movement |
| Shock absorption (Synovial) | viscosity increases with pressures, decreases thins with less pressure |
| vicosity | thickness |
| Bursae | Thin, fluid filled pockets in CT that contain synovial fluid ,reduce friction, act as shock absorbers. |
| snovial tendon sheaths | tubular bursae surrounding long tendons passing over wrist and ankle joints |
| adventitious bursae | abnormal occurrence due to distorted movement |
| dislocation | articulating surfaces forced out of position |
| subluxation | a partial dislocation |
| rheumatism | pain and stiffiness of skeletal and musclar systems |
| Arthritis | all forms of rheumatism that damage articular cartilages of synovial joints |
Created by:
jmooreman
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