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Anatomy Ch 6
The skeletal system
| Term | Definition |
|---|---|
| appendicular | the portion of the skeleton that consists of the shoulder and pelvic girdles and the bones of the arms and legs |
| articulation | a joint |
| axial | the portion of the skeleton that consists of the skull, vertebral column and rib cage |
| bursa | a sac of synovial fluid that decreases friction between a tendon and a bone |
| diaphysis | the shaft of a long bone |
| epiphyseal disc | a plate of cartilage at the junction of an epiphysis with the diaphysis of a long bone |
| fontanel | an area of fibrous connective tissue membrane between the cranial bones of an infant's skull, where bone formation is not complete |
| haversian system | the structural unit of compact bone, consisting of a central haversian canal surrounded by concentric rings of osteocytes within matrix |
| ligament | a fibrous connective tissue structure that connects bone to bone |
| ossification | the process of bone formation, bone matrix is produced by osteoblasts during the growth or repair of bones |
| osteoblast | a bone-producing cell |
| osteoclast | a bone-destroying cell |
| paranasal sinus | an air cavity in the frontal, maxilla, sphenoid, or ethmoid bones |
| periosteum | the fibrous connective tissue membrane that covers bones |
| suture | a synarthrosis, an immovable joint between cranial or facial bones |
| symphysis | an amphiarthrosis in which a disc of cartilage is found between two bones, as in the vertebral column |
| synovial fluid | a thick, slippery fluid that prevents friction within joint cavities |
| autoimmune disease | a condition in which the immune system produces antibodies to the person's own tissue |
| bursitis | an inflammation of a bursa |
| fracture | a break in a bone |
| herniated disc | rupture of an intervertebral disc |
| kyphosis | an exaggerated thoracic curvature of the vertebral column |
| lordosis | an exaggerated lumbar curvature of the vertebral column |
| osteoarthritis | the inflammation of a join, especially a weight-bearing joint |
| osteomyelitis | inflammation of a bone caused by a pathogenic microorganism |
| osteoporosis | a condition in which bone matrix is lost and not replaced, resulting in weakened bones |
| rheumatoid arthritis | an autoimmune disease characterized by severe inflammation of the joints |
| rickets | a deficiency of vitamin D in children, resulting in poor and abnormal bone growth |
| scoliosis | a lateral curvature of the vertebral column |
Created by:
Beina
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