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chrondr/o
cartilage (gristle)
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dactyl/o
digit (finger or toe)
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my/o, myos/o, muscul/o
muscle
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myel/o
bone marrow or spinal cord
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pelv/i
pelvis (basin) or hip bone
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rhabd/o
rod shaped or striated (skeletal)
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spondyl/o, vertebr/o
vertebra
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stern/o
sternum (breastbone)
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ten/o, tend/o, tendin/o
tendon (to stretch)
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appendicular skeleton
bones of the shoulder, pelvis and upper and lower exteremities
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axial skeleton
bones of the skull, vertebral column, chest and hyoid bone (u-shaped bone at base of tongue)
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bone
specialized connective tissue composed of osteocytes; forms skeleton
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compact bone
tightly solid bone tissue that forms the exterior of bones
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spongy bone, cancellous bone
mesh like bone tissue found in interior of bones and surrounding the medullary cavity
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long bones
bones of arms and legs
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short bones
bones of wrists and ankles
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flat bones
bones of ribs, shoulder blades, pelvis and skull
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irregular bones
bones of vertebrae and face
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sesamoid bones
round bones found near joints
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epiphysis
wide ends of a long bone (physis = growth)
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diaphysis
shaft of long bone
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metaphysis
growth zone between epiphysis and the diaphysis during development of a long bone
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endosteum
membrane lining the medullary cavity of bone
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medullary cavity
cavity within shaft of long bones, filled with bone marrow
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bone marrow
soft, connective tissue within medullary cavity
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red bone marrow
functions to form red blood cells, some white, and platelets; found in cavities of most bones in infants and in the flat bones in adults
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yellow bone marrow
gradually replaces red bone marrow in adult bones; functions as storage for fat tissue and is inactive in formation of red blood cells
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periosteum
fibrous, vascular membrane that covers bone
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articular cartilage
gristle-like substance on bones where they articulate
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bursa
fibrous sac between certain tnedons and bones that is lined with a synovial membrane that secretes synovial fluid
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disc / disk
flate, plate like structure compose of fibrocartilaginous tissue between vertebrae that reduces friction
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nucleus pulposus
soft, fibrocartilaginous, central portion of intervertebral disk
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ligament
flexible band of fibrous tissue that connects bone to bone
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synovial membrane
membrane lining the capsule of a joint
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synovial fluid
joint-lubricating fluid secreted by synovial membrane
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muscle
tissue composed of fibers that can contract, causing movement of an organ or a part of the body
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striated/skeletal muscle
voluntary muscle attached to skeleton
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smooth muscle
involuntary muscle found in internal organs
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cardiac muscle
heart muscle
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origin of muscle
muscle end atached to bone that does not move when the muscle contracts
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insertion of a muscle
muscle end attached to bone that moves when the muscle contracts
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tendon
band of fibrous tissue that connects muscle to bone
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fascia
band or sheet of fibrous connective tissue that covers, supports and separates muscle
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coronal/frontal plane
vertical division of body into front (anterior) and back (posterior) portions
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sagittal plane
vertical division of the body into right and left positions
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transverse plane
horizontal divison of body into upper and lower portions
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anterior / ventral (A)
front of body
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posterior / dorsal (P)
back of body
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anterior-posterior (AP)
from front to back, as in reference to the direction an x-ray beam
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superior/ cephalic
situated above another structure; toward head
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inferior/ caudal
below another structure; away from head
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proximal
toward beginning or origin of structure
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distal
away from beginning or origin of a structure
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medial
toward middle (midline)
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axis
imaginary line that runs through center of body or body part
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erect
normal standing position
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decubitius
lying down esp in bed (decumbo = to lie down)
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prone
lying face down and flat
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supine
horizontal recument (lying flat on back "on spine")
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flexion
bending at joint so angle between bones is decreased
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extension
straightening of joing so angle is increased
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rotation
circular movement around axis
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supination
turning of palmar surface (palm) or plantar surface (foot) upward or forward
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pronation
turning of palmar surface (palm) or plantar surface (foot) downward or backward
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dorsiflexion
bending of foot or toes upward
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plantar flexion
bending of sole of the foot by curling toes toward the ground
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range of motion (ROM)
total motion possible in joint; measured to degrees (ability to flex, extend, etc)
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goniometer
instrument used to measure joint angles
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atrophy
shrinking of muscle size
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crepitation/crepitus
grating suond sometimes made by the movement of a joint or broken bones
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exostosis
projection arising from a bone that develops from cartilage
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flaccid
flabby, relaxed or having defective or absent muscle tone
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hypertrophy
increase in size of tissue, such as muscle
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hypotonia
reduced muscle tone or tension
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myalgia/ myodynia
muscle pain
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osteoalgia/osteodynia
bone pain
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rigor/ rigidity
stiffness; stiff muscle
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spasm
drawing in; involuntary muscle contraction
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spastic
uncontrolled contractions of skeletal muscles, causing stiff and awkward movements (Resembles spasm)
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tetany
tension; prolonged, continuous muscle contraction
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tremor
shaking; rhythmic muscular movement
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ankylosis
stiff joint condtion
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arthritis
inflammation of joints characterized by pain, swelling, redness, warmth, and limitation of motion
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osteoarthritis (OA) / degenerative / degenerative joint disease (DJD)
most common form of arthritis, affecting weight bearing joints, characterized by erosion of articular cartilage
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rheumatoid arthritis
most crippling form of arthritis; characterized by chronic systemic inflammation, most often affecting joints and synovial ankylosis and deformity
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gouty arthritis
acute attacks of arthritis, usually in a single joint (esp big toe) , caused by hyperuricemia (excessive level of uric acid in blood)
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bony necrosis/ sequestrum
bone tissue that has died from loss of blood suply, such as can occur after a fracture
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bunion
swelling of the joint at the base of the great toe caused by the inflammation of the bursa
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bursitis
inflamattion of a bursa
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chondromalacia
softening of cartilage
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epiphysitis
inflammation of the epiphyseal regions of the long bone
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fracture (Fx)
broken or cracked bone
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closed fracture
broken bone with no open wound
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open fracture
compound fracture; broken bone with open wound
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simple fracture
nondisplaced fracture with one fracture line that does not require extrensive treatment to repair
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complex fracture
displaced fracture that requires manipulation or surgery to repair
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fracture line
line of the break of broken bone
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comminuted fracture
broken in many small pieces
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greenstick fracture
bending and incomplete break of a bone; children
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herniated disk
protrusion of a degenerated or fragmented intervertebral disk so that the nucleus pulpous protrudes, causing compression on the nerve root
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myeloma
bone marrow tumor
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myositis
inflammation of muscle
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leiomyoma
smooth muslce tumor
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leimyosarcoma
malignant smooth muscle tumor
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rhabdomyoma
skeletal muscle tumor
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rhabdomyosarcoma
malignant skeletal muscle tumor
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musclar dystrophy
a category of genetically transmitted diseases characterized by progressive atrophy of skeletal muscles; Duchenne type most common
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osteosarcoma
malignant bone tumor
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osteomalacia
disease marked by softening of bone caused by calcium and vitamin D deficiency
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rickets
osteomalacia in children; bone deformity
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osteomyelitis
infection of bone and bone marrow
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osteoporosis
condition of decreased bone density and increased porosity; causing bones to become brittle and to fracture more easily (porosis = passage)
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spinal curvatures
curvatures of spine or spinal column
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kyphosis
abnormal posterior curvature of thoracic spine (humped-back condition)
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lordosis
abnormal anterior curvature of the lumbar spine (sway-back condition)
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scoliosis
abnormal lateral curvature of the spine (S-Shaped curve)
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spondyloisthesis
forward sliping of a lumbar vertebra (listhesis = slipping)
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spondylosis
stiff, immobile condition of vertebrae caused by joint degeneration
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sprain
injury to ligament caused by joint trama w/o dislocation / fracture
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subluxation
partial dislocation
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tedinitis or tendonitis
inflammation of tendon
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electromyogram (EMG)
a neurodiagnostic, graphic record of the electrical activity of muscle both at rest and contraction; used to diagnose neuromusculoskeletal disorders (muscular dystrophy)
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magnetic resonance imaging (MRI)
nonioninzing imaging using magnetic fields and radio waves to visualize anatomic structures
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nuclear medicine imagine / radionuclide organ imaging
an ioninzing imaging technique using radioactive isotopes
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bone scan
nuclear scan of bone tissue to detect tumor, malignancy, etc.
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arthrogram
radiograph ofa joint taken after injection of contrast medium
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amputation
partial or complete removal of a limb
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arthrocentesis
puncture for aspiration of a joint
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arthrodesis
binding or fusing of joint surfaces
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arthroplasty
repair or reconstruction of a joint
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arthroscopy
procedure using arthroscope to examine, diagnose and repair a joint from within
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bone grafting
transplantation of a piece of bone from one site to another to repair a skeletal defect
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bursectomy
excision of a bursa
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myoplasty
repair of muscle
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open reduction, internal fixation (ORIF) of fracture
internal surgical repair of fracture by bringing bones back into alignment and fixing them in place with devices such as plates, screws and pins
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osteoplasty
repair of bone
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osteotomy
incision into bone
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spondylosyndesis
spinal fusion
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tenotomy
division of tendon by incision to repair a deformity caused by shortening of a muscle
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closed reduction, external fixation of a fracture
external manipulation of a fracture to regain alignment along with application of an external device to protect and hold the bone in place while healing
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casting
use of stiff, solid dressing aorund limb to immobilize it during healing
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splinting
use of rigid device to immobilize or restrain broken bone; provides less support than cast but can be adjusted more easily due to swelling
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traction (Tx)
application of a pulling force to fractured bone or dislocated joint to maintain proper position during healing
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closed reduction, percutaneous fixation of a fracture
external manipulation of fracture to regain alignment, followed by insertion of one or more pins through skin to maintain postition. often includes use of an external device called a fixator to keep fracture immobilized during healing
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orthosis
use of orthopedic appliance to maintain a bones position or to provide support
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analgesic
drug that relieves pain
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narcotic
potent analgesic with addictive properties
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antiinflammatory
drug that reduces inflammation
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antipyretic
drug that relieves fever
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nonsteroidal antiinflamatory drug (NSAID)
group of drugs with analgesic, antiinflammatory and antipyretic properties commonly used to treat arthritis
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