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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 |