chapter 27 skeletal system
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number of bones in adult body | 206
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number of bones in an infant body | 270
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made up of the spinal cord, skull, and rib cage and has 80 b0nes | axial skeleton
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made up of the arms, legs,hands,feet,shoulders,and pelvis and has 126 bones | appendicular skeleton
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functions of the skeletal system | support,protection,shape,muscle attatchment,forms cells,stores calcium
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found in spongy areas of skull,ribs,vertebrae,strnum,clavicles and pelvis | red marrow
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divisions of the spinal column | cervical,thoracic,lumbar
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long part or shaft of long bone | diaphysis
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ends of the long bone | epiphysis
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ling between the diaphysis and epiphysis | metaphysis
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compression of the median nerve at the wrist that results from repetitive motion | carpal tunnel syndrome
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caused by a fault in the immune system that causes it to attack the joint membranes | rheumatoid arthritis
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severe joint pain that usually affects the great toe, occurs more at night | gout
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lateral deviation of the great toe | hallux valgus or bunions
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bones in children are more flexible due to increased percentage of | cartilage
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small bone at the knee | patella
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aging, faulty metabolism of estrogen,sedentary life style are all causes of | primary osteoporosis
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lateral curvature of the spine | scoliosis
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anterior curvature of the lumbar spine | lordosis
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posterior curvature of the back; humpback | kyphosis
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complete or incomplete tear in the supporting ligaments of a joint | sprain
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paritial of imcomplete dislocation or articulating surfaces at joints | subluxation
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place where two or more boney joints come together | articulation
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displacent of bones at a joint, articulating joints are no longer in contact | dislocation
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fracture that results from a severe twisting action | spiral
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fracture that is driven inward, usually occurs in the skull | depressed
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painful inflammation of the sac located around the joint | bursitis
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fracture where the ends of the broken bone are jammed into each other | impacted
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first seven pairs of ribs in rib cage, attatched to sternum | true ribs
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last five pairs of ribs, also called floating ribs | fale ribs
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separate the bones in the spinal column | intervertebral cartilage discs
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individual bones of the spinal column | vertebrae
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opening between the vertebrae through which the spinal cord and peripheral nerves go through | foraminae
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incomplete fracture | greenstick
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closed fracture not involving the skin | simple
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open fracture where the bone protrudes through the skin | compound
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fracture with more than one fracture line and fragments of bone | comminuted
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mass of foriegn matrial circulating in the blood stream | embolus
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