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Articulations
- Joints
- Union between 2 or more bones
- Does not necessarily mean "movable"
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Classification
- •Structure
- –Fibrous B-F-B
- –Cartilagenous B-C-B
- –Synovial (joint cavity) B-JC-B
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Function
- Synarthrosis - immobile
- Amphiarthrosis - slightly movable
- Diarthrosis - freely movable
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More Classifications
- Sutures - Skull (b-ct-b)
- Synostoses (b-b-b)
- Syndesmoses (b-dense CT- b)
- Gophoses (bone-tooth)
- Synchondrosis (B-HC-B)
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Synovial Joints:
- Joint Cavity:
- - synovial membranes
- - synovial fluid
- Articular Cartilage - Hyaline Cartilage
- Capsule : Dense fibroelastic CT
- Ligaments (dense reg. elastic)
- -bone-L-bone
- -insert into capsule
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Synovial membranes
- -Closed sacs containing synovial fluid
- -may be found outside of joint cavity
- Bursae
- Retinculae
- -function- cushion for tendons over bone
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Osteoarthritis
- non-inflammatory degeneration of the articular cartilage
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