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MED TERM CH 6
musculoskeletal system
155
Medical
Graduate
03/11/2008

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Term
ankyl/o
Definition
crooked or stiff
Term
arthr/o
Definition
joint (articulation)
Term
articul/o
Definition
joint (articulation)
Term
brachi/o
Definition
arm
Term
cervic/o
Definition
neck
Term
chondr/o
Definition
cartilage (gristle)
Term
cost/o
Definition
rib
Term
crani/o
Definition
skull
Term
dactyl/o
Definition
digit (finger or toe)
Term
fasci/o
Definition
fascia (a band)
Term
femor/o
Definition
femur
Term
fibr/o
Definition
fiber
Term
kyph/o
Definition
humpback
Term
lei/o
Definition
smooth
Term
lord/o
Definition
bent
Term
lumb/o
Definition
loin (lower back)
Term
myel/o
Definition
bone marrow or spinal cord
Term
my/o
Definition
muscle
Term
myos/o
Definition
muscle
Term
muscul/o
Definition
muscle
Term
oste/o
Definition
bone
Term
patell/o
Definition
knee cap
Term
pelv/i
Definition
hip bone or pelvic cavity
Term
pelv/o
Definition
hip bone or pelvic cavity
Term
radi/o
Definition
radius
Term
rhabd/o
Definition
rod shaped or striated (muscle)
Term
sarc/o
Definition
flesh
Term
scoli/o
Definition
twisted
Term
spondyl/o
Definition
vertebra
Term
vertebr/o
Definition
vertebra
Term
stern/o
Definition
sternum (breastbone)
Term
ten/o
Definition
tendon (to stretch)
Term
tend/o
Definition
tendon (to stretch)
Term
tendin/o
Definition
tendon (to stretch)
Term
thorac/o
Definition
chest
Term
ton/o
Definition
tone or tension
Term
uln/o
Definition
ulna
Term
appendicular skeleton
Definition
bones of sholder, pelvis, and upper and lower extremities
Term
axial skeleton
Definition
bones of the skull, vertebral column, chest, and hyoid bone
Term
bone
Definition
specialized connective tissue composed of osteocytes forming the skeleton
Term
compact bone
Definition
tightly solid, strong bone tissue resistant to bending
Term
spongy (cancellous) bone
Definition
mesh-like bone tissue containing marrow and fine branching canals through which blood vessels run
Term
long bones
Definition
bones of arms and legs
Term
short bones
Definition
bones of wrists and ankles
Term
flat bones
Definition
bones of the skull, ribs, shoulder blades, and pelvis
Term
irregular bones
Definition
bones of vertebrae and face
Term
sesamoid bones
Definition
round bones found near joints
Term
epiphysis
Definition
wide ends of a long bone
Term
diaphysis
Definition
shaft of long bones
Term
metaphysis
Definition
growth zone between the epiphysis and diaphysis during development of a lone bone
Term
endosteum
Definition
membrane lining the medullary cavity
Term
medullary cavity
Definition
cavity within the shaft of the long bones filled with marrow
Term
bone marrow
Definition
soft connective tissue within the mefullary cavities of bone
Term
red bone marrow
Definition
found in cavities of most bones in infants; functions in formation of red blood cells, some white blood cells, and platelets; in adults, red bone marrow is found most often in the flat bones
Term
yellow bone marrow
Definition
gradually replaces red bone marrow in adult bones, functions as storage for fat tissue, and is inactive in formation of blood cells
Term
periosteum
Definition
a fibrous, vascular membrane that covers the bone
Term
articular cartilage
Definition
a gristle-like substance found on bones where they articulate
Term
articulation
Definition
a joint; the point where two bones come together
Term
bursa
Definition
a fibrous sac between certain tendons and bones that is lined with a synovial membrane that secretes synovial fluid
Term
disk
Definition
a flat, plate like structure composed of firbrocartilaginous tissue found between the vertebrae to reduce friction
Term
nucleus pulposus
Definition
the soft, fibrocartilaginous, central portion of intervertebral disk
Term
ligament
Definition
a flexible band of fibrous tissue that connects bone to bone
Term
synovial membrane
Definition
membrane lining the capsule of a joint
Term
synovial fluid
Definition
lubricating fluid secreted by the synovial membrane
Term
muscle
Definition
tissue composed of fibers that can contract, causing movement of an organ or part of the body
Term
striated muscle
Definition
voluntary striated skeletal musle attached to the skeleton
Term
smooth muscle
Definition
involuntary muscle found in internal organs
Term
cardiac muscle
Definition
muscle of the heart
Term
origin of muscle
Definition
muscle end attached to the bone that does not move when the muscle contracts
Term
insertion of a muscle
Definition
muscle end attached to the bone that moves when the muscle contracts
Term
tendon
Definition
a band of fibrous tissue that connects muscle to bone
Term
fascia
Definition
a band or sheet of fibrous connective tissue that covers, supports ,and separates muscle
Term
decubitus
Definition
lying down, especially in bed
Term
recumbent
Definition
lying down
Term
eversion
Definition
turning outward
Term
inversion
Definition
turing inward
Term
goniometer
Definition
instrument used to measure joint angles
Term
crepitation
Definition
grating sound made by movement of some joints or broken bones
Term
exostosis
Definition
a projection arising from a bone that develops from cartilage
Term
hypotonia
Definition
reduced tone or tension of muscle
Term
tetany
Definition
tension; prolonged, continuous muscle contraction
Term
ankylosis
Definition
stiff joint condition
Term
arthritis
Definition
inflammation of the joints characterized by pain, swelling, redness, warmth, and limitations of motion
Term
osteoarthritis
Definition
most common form of arthritis that especially affects the weight bearing joints; characterize by the erosion of articular cartilage
Term
degenerative arthritis
Definition
osteoarthritis
Term
rheumatoid arthritis
Definition
most crippling form of arthritis characterized by a chronic, systematic inflammation most often affecting joints and synovial membranes causing ankylosis and deformity
Term
gouty arthritis
Definition
acute attacks of arthritis usually in a single joint caused by hyperuricemia
Term
bony necrosis
Definition
dead bone tissue from loss of blood supply
Term
sequestrium
Definition
bony necrosis
Term
bunion
Definition
swelling of the joint at the base of the great toe caused by inflammation of the bursa
Term
bursitis
Definition
inflammation of a bursa
Term
carpal tunnel syndrome
Definition
resukts from the compression of hte median nerve within the carpal tunnel at the wrist, characterized by pain, numbness, and tingling in the wrist and fingers and weak grip; commonly seen as a result of cumulative trauma of surrounding tendons
Term
chondromalacia
Definition
softening of cartilage
Term
epiphysitis
Definition
inflammation of epiphyseal regions of the long bones
Term
open fracture
Definition
compound fracture
Term
simple fracture
Definition
a nindisplaced fracture involving one fracture line that does not require extensive treatment to repair
Term
complex fracture
Definition
a displaced fracture that requires manipulation or surgery to repair
Term
fracture line
Definition
line made by a broken bone (oblique, spiral, or transverse)
Term
comminuted fracture
Definition
broken in may places
Term
greenstick fracture
Definition
bending ad incomplete break of a bone- most often seen in children
Term
herniated disk
Definition
protrusion of a degenerated or fragmented intervertebral disk so that the nucleus pulposus protrudes, causing compression on the nerve root
Term
myeloma
Definition
bone marrow tumor
Term
leiomyoma
Definition
smooth muscle tumor
Term
leiomyosarcoma
Definition
malignant smooth muscle tumor
Term
rhabdomyoma
Definition
skeletal muscle tumor
Term
rhabdomyosarcoma
Definition
malignant skeletal muscle tumor
Term
muscular dystrophy
Definition
a category of genetically transmitted diseases characterized by progessive atrphy of skeletal muscles
Term
osteomalacia
Definition
disease marked by softening of the bone caused by calcium and vitamin D deficiency
Term
rickets
Definition
osteomalacia in children
Term
osteomyelitis
Definition
infection of bone and bone marrow causing inflammation
Term
kyphosis
Definition
abnormal posterior curvature of the thoracic spine (humpback condition)
Term
lordosis
Definition
abnormal anterior curvature of the lumbar spine sway-back condition)
Term
scoliosis
Definition
abnormal lateral curvature of the spine
Term
spondylolisthesis
Definition
forward slipping of a lumbar vertebra
Term
spondylosis
Definition
stiff, immoble condition of vertebrae due to joint degeneration
Term
sprain
Definition
injury to a ligament caused by joint trauma but without joint dislocation or fracture
Term
subluxation
Definition
partial dislocation
Term
electromyogram
Definition
a neurodiagnositic graphic recod of the electrical activity of muscle at rest and during contraction to diagnose neuromusculoskeletal disorders; usually performed by neurologist
Term
nuclear medicine
Definition
ionizing imaging technique using radioactive isotopes
Term
bone scan
Definition
radionuclide image of bone tissue to detect tumor malignancy
Term
arthrogram
Definition
an x-ray of a joint taken after injection of a contrast medium
Term
diskogram
Definition
an x-ray of an intervertebral disk after injection with a contrast medium
Term
dual energy x-ray absorptiometry
Definition
x-ray scan that measures bone mineral density of the spine and extremities to diagnose osteoporosis, determine fracture risk, and monitor treatment; classification of bone mass include normal, ostopenic, or oeteoporotic as indicated by a T score
Term
compound tomography
Definition
specialized x-ray procedure producing a series of cross-sectional images that are processed by a computer into a 2-dimentional or 3-dimentional image
Term
sonography
Definition
ultrasound imaging to visualize muscles, ligaments, displacements, and dislocations or to guide a therapeutic intervention such as that performed during arthroscopy
Term
arthrocentesis
Definition
puncture for aspiration of a joint
Term
arthrodesis
Definition
binding or fusing of joint surfaces
Term
open reduction, internal fixation of a fracture
Definition
internal surgical repair of a fracture by bringing bones back into alignment and fixing them into place, often utilizing plates, screws, pins, etc
Term
osteotomy
Definition
an incision into bone
Term
spondylosyndesis
Definition
spinal fusion
Term
tenotomy
Definition
division by incision of a tendon to repair a deformity caused by shortening of a muscle
Term
closed reduction, external fixation of a fracture
Definition
external maipulation of a fracture to regain alignment along with application of an external device to protect and hold the bone in place while healing
Term
closed reduction, percutaneous fixation of a fracture
Definition
external manipulation of a fracture to regain alignment, followed by insertion of one or more pins through the skin to maintain position- often includes use of an external device called a fixator to keep the fracture immobilized during healing
Term
orthosis
Definition
use of an orthopedic appliance to maintain a bone's position or provide limb support
Term
analgesic
Definition
drug that relieves pain
Term
antipyretic
Definition
drug that reduces fever
Term
NSAID
Definition
group of drugs that have anti-inflammatory, analgesic, and antipyretic effects
Term
A
Definition
ANTERIOR
Term
AKA
Definition
ABOVE-KNEE AMPUTATION
Term
AP
Definition
ANTERIOR-POSTERIOR
Term
BKA
Definition
BELOW-KNEE AMPUTATION
Term
CAT
Definition
COMPUTED AXIAL TOMOGRAPHY
Term
CT
Definition
COMPUTED TOMOGRAPHY
Term
DEXA
Definition
DUAL-ENERGY X-RAY ABSORPTIOMETRY
Term
DJD
Definition
DEGENERATIVE JOINT DISEASE
Term
EMG
Definition
ELECTROMYOGRAM
Term
Fx
Definition
fracture
Term
OA
Definition
osteoarthritis
Term
ORIF
Definition
open reduction, internal fixation
Term
P
Definition
posterior
Term
PT
Definition
physical therapy
Term
RA
Definition
rheumatoid arthritis
Term
ROM
Definition
range of motion
Term
Tx
Definition
traction
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