Osteoporosis Definition–noun Pathology. | a disorder in which the bones become increasingly porous, brittle, and subject to fracture, owing to loss of calcium and other mineral components, sometimes resulting in pain, decreased height, and skeletal deformities: common in older persons, primarily postmenopausal women, but also associated with long-term steroid therapy and certain endocrine disorders. | |
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Related topics from Britannicaosteoporosis
disease characterized by the thinning of bones, with a consequent tendency to sustain fractures from minor stresses. The disorder is most common in postmenopausal women over age 50. The exact cause ...
endocrine system, human
The most common metabolic bone disease, osteoporosis, literally meaning porous bone, is the result of decreased bone formation or increased bone resorption. In osteoporosis, bone is lost in such a ...
therapeutics
Although little can be done to treat osteoporosis once it is established, a great deal can be accomplished to prevent it, as has been discussed above (see above Preventive medicine). Osteoporosis, ...
therapeutics
Changes in diet can have a therapeutic effect on obesity, diabetes mellitus, hypertension, peptic ulcer, and osteoporosis.nutritional disease
Almost all the calcium in the body is in the bones and teeth, the skeleton serving as a reservoir for calcium needed in the blood and elsewhere. During childhood and adolescence, adequate calcium ...
drug
Calcitonin is synthesized in the thyroid. It is capable of counteracting the calcium-releasing effects of PTH, because calcitonin reduces blood calcium levels by increasing its deposition in bone and ...
hyperparathyroidism
abnormal increase in the secretion of parathyroid hormone by one or more parathyroid glands (see parathyroid gland). The oversecretion is usually caused by a tumour or enlargement of parathyroid ...
drug
Parathyroid hormone (PTH) is a single-chain amino acid molecule secreted by the chief cells of the parathyroid gland. The major regulator of PTH is the level of ionized calcium in the blood. ...
anthropology
Methods to assess rates of growth, skeletal age compared with chronological age, and the genetic, endocrinologic, and nutritional factors that affect growth in humans and other primates are foci of ...
bone disease
The normal function of bone requires an adequate supply of amino acids (the building blocks for proteins) for the synthesis of collagen, the chief component of the organic matrix; of calcium and ...
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