Lec14 - the point of connection between two bones or...

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Unformatted text preview: the point of connection between two bones or elements of a skeleton (especially if it allows motion) 9-1 Fibrous joints Generally immovable Cartilaginous joints Immovable or slightly moveable Synovial joints Freely moveable 9-2 Classified by freedom of movement diarthrosis (freely movable) amphiarthrosis (slightly movable) synarthrosis (little or no movement) Classified how adjacent bones are joined fibrous, cartilaginous, bony or synovial 9-3 Collagen fibers span the space between bones sutures, gomphoses and syndesmoses 9-4 Immovable fibrous joints bind skull bones together Serrate - interlocking lines coronal, sagittal and lambdoid sutures Lap - overlapping beveled edges temporal and parietal bones Plane - straight, nonoverlapping edges palatine processes of the maxillae 9-5 9-6 Attachment of a tooth to its socket Held in place by fibrous periodontal ligament collagen fibers attach tooth to jawbone Some movement while chewing 9-7 Two bones bound by ligament only interosseus membrane Most movable of fibrous joints Interosseus membranes unite radius to ulna and tibia to fibula 9-8 Bones are joined by hyaline cartilage rib attachment to sternum epiphyseal plate in children binds epiphysis and diaphysis 9-9 2 bones joined by fibrocartilage pubic symphysis and intervertebral discs Only slight amount of movement is possible 9- 10 Figure 5.28 Joint in which two bones are separated by a space called a joint cavity Most are freely movable 9- 12 Articular cartilage (hyaline cartilage) covers the ends of bones Joint surfaces are enclosed by a fibrous articular capsule Have a joint cavity filled with synovial fluid Ligaments reinforce the joint Articular capsule encloses joint cavity continuous with periosteum lined by synovial membrane Synovial fluid = slippery fluid; feeds cartilages Articular cartilage = hyaline cartilage covering the joint surfaces Articular discs and menisci...
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Lec14 - the point of connection between two bones or...

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