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Chapter 3
Musculoskeletal System
| Term | Definition |
|---|---|
| ankyl/o | crooked or stiff |
| arthr/o | joint |
| articul/o | joint |
| fasci/o | fascia (a band) |
| fibr/o | fiber |
| kyph/o | humpback |
| lei/o | smooth |
| lord/o | bent |
| lumb/o | loins (lower back) |
| myel/o | bone marrow, spinal cord |
| patell/o | knee cap |
| radi/o | radius |
| rhabd/o | rod-shaped or striated |
| sarc/o | flesh |
| scoli/o | twisted |
| spondyl/o | vertebra |
| stern/o | sternum |
| ten/o | tendon (to stretch) |
| thorac/o | chest |
| ton/o | tone or tension |
| appendicular skeleton | bones of the shoulder girdle, pelvis, and limbs |
| axial skeleton | bones of the skill, vertebral column, chest, and hyoid bone |
| compact bone | tightly solid bone tissue that forms the exterior of bones |
| spongy bone or cancellous bone | mesh-like bone tissue found inthe interior of bones, and surrounding the medullary cavity |
| sesamoid bones | round bones found near joints (e.g., the patella) |
| epiphysis | wide ends of a long bones (physis = growth) |
| diaphysis | shaft of a long bone |
| metaphysis | a growth zone between the epiphysis and the diaphysis during the developement of a long bone |
| endosteum | membrane lining the medullary cavity of a bone |
| medullary cavity | cavity within the shaft of the long bones filled with bone marrow |
| recumbent | lying down |
| supine | horizontal recumbent, lying flat on the back |
| goniometer | instruments used to measure joint angles |
| exostosis | a projection arising from a bone that develops from cartilage |
| hypotonia | reduced muscle tone or tension |
| tetany | tension, prolonged, continuous muscle contraction |
| ankylosis | stiff joint condition |
| sequestrum | bone tissue that has died due to lack of oxygen supply |
| chrondromalacia | softening of cartilage |
| comminuted fracture | bone shattered into many small pieces |
| spiral fracture | fracture line is helical |
| greenstick fracture | bending and incomplete break of bone; most often seen in children |
| myeloma | bone marrow tumor |
| leiomyoma | smooth muscle tumor |
| leiomyosarcoma | malignant smooth muscle tumor |
| rickets | osteomalacia in children |
| osteomyelitis | infection of the bone marrow, causing inflammation |
| lordosis | anterior convex fracture of the lumbar spine |
| spondylolisthesis | forward slipping of a lumbar vertebra |