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18 Cards in this Set
- Front
- Back
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synarthroses
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immovable joints; mostly fibrous joints, some cartilagionous joints
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amphiarthroses
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slightly movable joints; mostly cartilaginous joints, few fibrous joints
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diarthroses
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freely movable joints; synovial joints
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joints (articulations)
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hold bones together and allow skeleton some flexibility
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fibrous joints
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-Dense fibrous CT
-No joint cavity -Collagen fibers hold bones together -Synarthroses (most) - Amphiarthroses (some) -Main types: sutures and syndesmoses -Minor type: gomphosis |
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syndesmoses
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bones do not interlock, they are connected by short ligaments of DCT. Ex: fibula and tibia
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sutures
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irregular edges of bones interlock with short CT. Ex: skull sutures
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gomphosis
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tooth is connected to bony socket
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cartilaginous joints
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-Hyaline or fibrocartilage
-No joint cavity -Amphiarthroses (most) -Main Types: synchondroses and symphysis |
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synovial joints
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-Most abundant in body
-Dense fibrous CT -Joint cavities with synovial fluid -Diarthroses- some in one plane, others in multiple directions -Articular cartilage, articular capsule, synovial membrane, fibrous capsule |
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articular capsule
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sleeve of connective tissue creating a joint cavity. Inner layer is synovial membrane, outer layer is fibrous capsule.
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synovial membrane
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inner layer of articular capsule made of smooth CT. Produces synovial fluid for lubrication, which reduces friction
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fibrous capsule
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outer layer of articular capsule made of dense irregular CT
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articular cartilage
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covers the surfaces at each end of the bone where the joint forms
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bursae
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fluid-filled sacs that reduce friction where tendons cross bone
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knee joint
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-unstable joint
-hinge joint |
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shoulder joint
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-ball and socket joint
-most freely movable joint in the body |
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hip joint
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-ball and socket joint
-very strong and stable but limits movement |
