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20 Cards in this Set
- Front
- Back
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What is a Joint?
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the movable or fixed place or part where two bones or elements of a skeleton join.
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synarthrosis?
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A form of articulation in which the bones are rigidly joined by fibrous tissue. Also called synarthrodia .
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amphiarthrosis?
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a joint permitting only slight motion, as that between the vertebrae.
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diarthrosis?
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a form of articulation that permits maximal motion, as the knee joint.
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tendon?
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a cord or band of dense, tough, inelastic, white, fibrous tissue, serving to connect a muscle with a bone or part; sinew.
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ligament?
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a band of tissue, usually white and fibrous, serving to connect bones, hold organs in place,
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bursae?
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a pouch, sac, or vesicle, esp. a sac containing synovia, to facilitate motion, as between a tendon and a bone.
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synovial fluid?
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a transparent viscid lubricating fluid secreted by a membrane of an articulation, bursa, or tendon sheath called also joint fluid synovia
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articular cartilage?
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The cartilage covering the articular surfaces of the bones forming a synovial joint.
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menisci?
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a disk of cartilage between the articulating ends of the bones in a joint.
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rheumatoid arthritis?
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a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
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gouty arthritis?
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arthritis associated with gout and caused by the deposition of urate crystals in the articular cartilage of joints.
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dislocation?
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Displacement of a body part, especially the temporary displacement of a bone from its normal position.
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subluxation?
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a partial dislocation, as of a joint; sprain.
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What is gliding joints ?(flattened surfaces)
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- bones slide over each other
- limited monoaxial joint - ex: between carpal bones, tarsal bones, vertebrocostal joints. |
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What are hinge joints?
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- permit angular motion in a
single plane - monoaxial joint - ex: elbow joint, knee joint, interphalangeal joints |
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What are Pivot Joints (rotation only)?
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- allow one bone to rotate
around another (monoaxial rotation) - ex: atlantoaxial joint, proximal radioulnar joint |
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What are saddle Joints?
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- permit one bone to slide in 2
directions - monoaxial rotation - ex: trapeziometacarpal joint at the base of the thumb |
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What are Ellipsoidal (condyloid) joints?
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- oval convex surface on one
bone fits into a similarly shaped depression - Biaxial joints - ex: radiocarpal joint, metacarpophalangeal and metatarsophalangeal joints |
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What are Ball and socket joints?
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- head fits within a cuplike
depression - ex: shoulder joint, hip joint - multiaxial joint |
