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Ewing sarcoma
rare malignant tumor arising in bone; most often occurring in children
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exostosis
bony growth arising from the surface of bone
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fracture
traumatic breaking of a bone
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simple or closed fracture
break in bone but not in skin
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compound or open fracture
break in bone and in skin
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Colles' fracture
at distal end of radius near wrist
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comminuted fracture
bone is splintered or crushed into several pieces
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compression fracture
bone collapses or is compressed
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greenstick fracture
bone is partially broken; one side remains unbroken
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impacted fracture
one fragment of bone is driven firmly into the other
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osteogenic sarcoma, osteosarcoma
common malignant tumor arising from osteoblasts
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osteomalacia
softening of bone, with inadequate amounts of calcium in the bone
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osteomyelitis
imflammation of the bone and bone marrow secondary to infection
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osteoporosis
decrease in bone density; thinning and weakening of bone
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talipes
congenital abnormality of the hindfoot
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ankylosing spondylitis
chronic, progressive arthritis with stiffening of joints, primarily of the spine
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gouty arthritis
inflammation and painful swelling of joints caused by excessive uric acid in the body
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osteoarthritis
progressive, degenerative joint disease with loss of articular cartilage and hypertrophy of bone at articular surfaces
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rheumatoid arthritis
chronic joint condition with inflammation and pain; caused by an autoimmune reaction against joint tissue, particularly the synovial membrane
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bunion
enlargement of bone or tissue around the joint at the base of the big toe
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carpal tunnel syndrome
compression of the median nerve as it passes between the ligament and the bones and tendons of the wrist
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dislocation
displacement of a bone from its joint
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ganglion
fluid-filled cyst arising from joint capsules or tendons, typically in the hand
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herniation of an intervertebral disk
abnormal protrusion of an intervertebral disk into the spinal canal or spinal nerve
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Lyme disease
disorder marked by arthritis, myalgia, and malaise; caused by bacterium carried by a tick
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sprain
trauma to a joint without rupture
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systemic lupus erythematoses
chronic inflammatory autoimmune disease involving joints, skin, kidneys, nervous system, heart and lungs
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flexion
decreasing the angle between two bones; bending a limb
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extension
increasing the angle between two bones; straightening a limb
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abduction
movement away from the midline of the body
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adduction
movement toward the midline of the body
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rotation
circular movement around an axis. Internal rotation is toward the midline and external is away form the midline.
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dorsiflexion
decreasing the angle of the ankle joint so that the foot bends backward (upward).
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plantar flexion
motion that extends the foot downward toward the ground as when pointing the toes.
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supination
as applied to the hand and forearm, the act of turning the palm up. As applied to the foot, it is outward roll of the foot during normal motion.
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pronation
as applied to the hand and forearm, the act of turning the palm down. As applied to the foot, it is inward roll of the foot during normal motion.
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muscular dystrophy
group of inherited diseases characterized by progressive weakness and degeneration of muscle fibers without involvement of the nervous system.
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polymyositis
chronic inflammatory myopathy
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acetabulum
the socket of the hip joint
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acromion
lateral process of the shoulder blade
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articular cartilage
thin layer of cartilage covering the bone in the joint space
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articulation
any type of joint
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bursa
sac of fluid near a joint; promotes smooth sliding of one tissue against another
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cancellous bone
spongy, poous, bone tissue in the inner part of a bone
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compact bone
hard, dense bone tissue, usually found around the outer portion of bones
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condyle
knuckle-like process at the end of a bone near the joint
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diaphysis
shaft of a long bone
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epiphyseal plate
cartilaginous area at the ends of long bones where lengthwise growth takes place.
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epiphysis
each end of a long bone, beyond the epiphyseal plate
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fascia
fibrous membrane separating and enveloping muscles
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fissure
narrow, slit-like opening in or between bones
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fontanelle
soft spot between the skull bones of an infant
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foramen
opening or passage in bones where blood vessels and nerves enter and exit.
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fossa
shallow cavity in a bone
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haversian canals
minute spaces filled with blood vessels, found in compact bone
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ligament
connective tissue binding bones to other bones
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malleolus
round processes found on both sides of the ankle joint. lateral is fibula, medial is tibia
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manubrium
upper portion of the sternum; articulates with the clavicle
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mastoid process
round projection on the temporal bone behind the ear
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medullary cavity
central, hollowed-out area in the shaft of a long bone
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metaphysis
lared portion of a long bone between the diaphysis and the epiphyseal plate
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olecranon
large process on the proemial end of the ulna
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ossification
process of bone formation
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red bone marrow
found in cancellous bone; site of hematopoiesis
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synovial cavity
space between bones at a synovial joint
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synovial fluid
fluid within the synovial cavity
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tendon
connective tissue that binds muscles to bones
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trochanter
large process at the neck of the femur for attachment of tendons
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tubercle
rounded, small process on bone where tendons attach
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tuberosity
rounded process on bone where tendons attach
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yellow bone marrow
fatty tissue found in the medullary cavity of most adult long bones
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