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11 Cards in this Set
- Front
- Back
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Articular capsule
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SURROUNDS SYNOVIAL JOINT
ENCLOSES THE SYNOVIAL CAVITY UNITES ARTICULATING BONES 2 layers: OUTER FIBROUS CAPSULE INNER SYNOVIAL MEMBRANE |
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Fibrous capsule
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DENSE IRREGULAR CT
ATTACHES TO PERIOSTEUM OF ARTICULATING BONE HAS FLEXIBLITY AND TENSILE STRENGTH BUNDLED FIBERS = LIGAMENT LIGAMENTS HOLD BONES CLOSE TOGETHER |
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Synovial membrane
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MADE OF AREOLAR CT
SECRETES SYNOVIAL FLUID |
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Synovial fluid
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FILM OVER ARTICULAR CAPSULE
REDUCES FRICTION BY LUBRICATING ABSORBS SHOCK SUPPLIES OXYGEN AND NUTRIENTS, REMOVES CO2&WASTES CONTAINS PHAGOCYTIC CELLS |
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Accessory ligaments
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EXTRACAPSULAR LIGAMENTS - OUTSIDE THE CAPSULE
INTRACAPSULAR LIGAMENTS - WITHING THE CAPSULE |
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Articular discs - MENISCI
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PADS OF FIBROCARTILAGE
SO DIFF. SHAPED BONES FIT TOGETHER ALLOW FOR SEPARATE MOVEMENTS IN DIFF. JOINT COMPARTMENTS DIRECT FLOW OF SYNOVIAL FLUID |
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Nerves
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TO JOINT FROM OVERLYING MUSCLE
GO TO ARTICULAR CAPSULE AND ASSOC. LIGAMENTS SUPPLY MUSCLES THAT MOVE JOINTS |
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Blood supply
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MUCH OF THE SYNOVIAL JOINT IS AVASCULAR
ARTERIES PENETRATE LIGAMENTS & ARTICULAR CAPSULE CHONDROCYTES RCV. NUTRIENTS BY DIFFUSION TROUGH SYNOVIAL FLUID, OTHERS SUPPLIED DIRECTLY BY ARTERIES |
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Veins
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REMOVE MATERIALS
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Bursae
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SACS, REDUCE FRICTION
CT & SYNOVIAL MEMBRANE FILLED WITH FLUID CUSHION BODY PARTS FROM ONE ANOTHER |
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Tendon sheaths
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TUBE LIKE BURSAE
WRAP AROUND TENDONS SUBJECT TO LOTS OF FRICTION |
