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Bone DiseasesBelow is a free term papers summary of the paper "Bone Diseases." If you sign up, you can be reading the rest of this term papers in under two minutes. Registered users should login to view this term paper.
Bone diseases most directly influence the ability to walk or to move any part of the body--hands, limbs, neck, and spine. They are related to joint disorders--ARTHRITIS, COLLAGEN DISEASE, DISLOCATION of joints, and RHEUMATISM. The medical specialty pertaining to bone disorders is ORTHOPEDICS. Fractures are the most common bone disorders. They can occur as the result of an accident or be secondary to metabolic diseases. Fractures are life-threatening to aged people having the metabolic bone disease OSTEOPOROSIS, in which bones become porous and brittle. A person, mostly women, having osteoporosis may break a hip during a fall and possibly die from complications. Birth Defects Congenital bone diseases constitute a wide spectrum, ranging from the unimportant--for instance, mild bow legs--to severe lesions, such as spina bifida, in which the lower end of the spine fails to develop properly and the baby is born with paralysis and misshapen vertebrae. Congenital diseases may have hormonal bases: for example, fibrous DYSPLASIA, in which fibrous tissue replaces that of some bones, often results in bone deformity; in addition, some girls with this disease physically mature so early that they are capable of pregnancy and childbirth at the age of seven. Congenital defects also may have genetic bases, as in families who have extra fingers or toes or in the disease osteogenesis imperfecta, in which children have such brittle bones that many are fractured. Disorders of growth and development include several kinds of dwarfism and gigantism. Bones or limbs may develop deformity as the result of known causes, such as the infection poliomyelitis, or unknown or variable causes, such as curvature of the spine (SCOLIOSIS) or CLUBFOOT. Infections Infections of bone, called osteomyelitis, are usually caused by pus-producing bacteria, especially Staphylococcus and Streptococcus. Before the development of antibiotics, children frequently contracted this disease. Today bone infections are introduced primarily through fractures and during surgical operations. People infected with syphilis, tuberculosis, leprosy, or yaws are susceptible to bone damage. Metabolic Disorders Metabolic abnormalities often involve defects in the storage of minerals, particularly calcium and phosphate ions, in the skeleton. Diseases of the kidney can cause a metabolic imbalance of phosphate and calcium so that weakening of the bone occurs. Other metabolic bone diseases are osteoporosis, gout... This is not the end of the termpaper! Register below to see the complete version of this term paper.
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