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Ch.3 Medical Term.

TermDefinition
dactyl/o digit (finger or toe)
lei/o smooth
sarc/o flesh
bursa a fibrous sac between certain tendons and bones that is lined with a synovial membrane that secretes synovial fluid
annulus fibrosus ring of fibrocartilage and fibrous tissue forming the circumference of the intervertebral disk; surrounds the nucleus pulposus
nucleus pulposus the soft, fibrocartilaginous, central portion of intervertebral disk
origin of a muscle muscle end attached to the bone that does not move when the muscle contracts
insertion of a muscle muscle end attached to the bone that moves when the muscle contracts
anterior-posterior(AP) from front to back, as in reference to the direction of an x-ray beam
posterior-anterior (PA) from back to front, as in reference to the direction of an x-ray beam
erect normal standing position
decubitus lying down, especially in bed
prone lying face down and flat
goniometer instrument used to measure joint angles
arthralgia joint pain
atrophy shrinking of muscle size
crepitation grating sound sometimes made by the movement of a joint or by broken bones (also called crepitus)
exostosis a projection arising from a bone that develops from cartilage
bony necrosis (also called sequestrum) bone tissue that has died from loss of blood supply, such as can occur after a fracture
comminuted fracture bone shattered into many small pieces
greenstick fracture bending and incomplete break of bone; most often seen in children
leiomyoma smooth muscle tumor
muscular dystrophy a category of genetically transmitted diseases characterized by progressive atrophy of skeletal muscles; Duchenne type is most common
rickets osteomalacia in children; causes bone deformity
spondylolisthesis forward slipping of a lumbar vertebra (listhesis = slipping)
electromyogram (EMG) a neurodiagnostic, graphic record of the electrical activity of muscle both at rest and during contraction; used to diagnose neuromusculoskeletal disorders (e.g., muscular dystrophy); usually performed by a neurologist
osteotomy an incision into a bone
traction (Tx) application of a pulling force to a fractured bone or dislocated joint to maintain proper position during healing
analgesic a drug that relieves pain
CAT computed axial tomography
Created by: dbelle01
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