Portal:Medicine
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The Medicine Portal
Medicine is both an area of knowledge (a science), and the application of that knowledge (by the medical profession and other health professionals such as nurses). The various specialized branches of the science of medicine correspond to the equally specialized medical professions dealing with particular organs or diseases. The science of medicine is the knowledge of body systems and diseases, while the profession of medicine refers to the social structure of the group of people formally trained to apply that knowledge.
Medicine comprises used amongst medical professionals as shorthand for internal medicine. Veterinary medicine is the practice of health care in animal species other than human beings.
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Renal tubular acidosis (RTA) is a medical condition that involves an accumulation of acid in the body due to a failure of the kidneys to appropriately acidify the urine. When blood is filtered by the kidney, the filtrate passes through the tubules of the nephron, allowing for exchange of salts, acid equivalents, and other solutes before it drains into the bladder as urine. The metabolic acidosis that results from RTA may be caused either by failure to recover sufficient (alkaline) bicarbonate ions from the filtrate in the early portion of the nephron (proximal tubule) or by insufficient secretion of (acid) hydrogen ions into the latter portions of the nephron (distal tubule). Although a metabolic acidosis also occurs in those with renal insufficiency, the term RTA is reserved for individuals with poor urinary acidification in otherwise well-functioning kidneys. Several different types of RTA exist, which all have different syndromes and different causes. (More...)
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Did you know...
- ... vinca alkaloids are chemotherapy drugs that inhibit the polymerization of tubulin, whereas taxanes are produced by plants of the genus Taxus that inhibit tubulin depolymerization?
- ... that Sydenham's chorea (or St. Vitus' dance) is a one of the major criteria in the Jones diagnostic criteria for rheumatic fever?
- ... that rare mistargetting of somatic hypermutation is being investigated as a mechanism in the development of B-cell lymphomas?
Quotes
- "Our diseases are so old fashioned, they can't keep up with the new medicines." Leonid S. Sukhorukov
- "Cured yesterday of my disease, I died last night of my physician." Matthew Prior
- "I firmly believe that if the whole material medica, as now used, could be sunk to the bottom of the sea, it would be better for mankind -and all the worse for the fishes.” - Oliver Wendell Holmes, Sr.
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