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functions of bones
support, protection, movement, mineral storage, blood cell formation (hematopoiesis)
Bone fracture that DOES penetrate the skin, usually bone becomes infected and requires heavy antibiotics
Bone fracture in which bone fragments into many pieces (usually happens in brittle bones)
2nd stage of fracture healing - fibrous tissue formed by fibroblasts and infiltrated by capillaries
3rd stage of fracture healing - soft callus of fibrocartilage replaced by hand callus of bine in 6 weeks
4th stage of fracture healing - occurs over next 6 month as spongy bone is replaced w/ compact bone
7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae
the spine includes ______, ______, _______
depletion of the bone, commonly found in elderly, bone becomes more porous & less compact
due to a deficiency of calcium or vitamin D, usually found in children, most visible sign is bowed legs
lateral curvature of the spine, commonly found in young girls, unknown cause, can be treated w/ surgery or various braces
hunchback, curvature of spine in bent over position, commonly found in women w/ OSTEOPOROSIS
swayback, curvature of the spine where the hips protrude forward, commonly found in pregnant women / men with potbellies, can be permanent/temporary
many types, usually involves degeneration of bone, 5° of severity (each indicating 20 yrs), can be crippled & very painful
most common of all types (50% of all cases), degenerative joint disease, sometimes due to aging or from cartilage destruction, treated w/ drugs (Vioxx & Celebrex)
common in men/women 40-50, joing stiffness & tenderness, occurs bilaterally, synovial joint swelling
between radius/ulna, connected by tendon or ligament and CT (slightly mobile)
first bone rotated on its longitudinal axis relative to the other (raius, ulna)
short stature, but normal sized head & trunk
(long bones of limbs stop growing in childhood but other bones unaffected)
result of spontaneous mutation
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