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Joints Part 2

joints

QuestionAnswer
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