Portal:Medicine
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The term "medicine" is sometimes used amongst medical professionals as shorthand for internal medicine. Veterinary medicine is the practice of health care in animal species other than human beings. Please see our medical disclaimer for cautions about Wikipedia's limitations.
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Metabolism is the set of chemical reactions that occur in living organisms in order to maintain life. These processes allow organisms to grow and reproduce, maintain their structures, and respond to their environments. Metabolism is usually divided into two categories. Catabolism breaks down large molecules, for example to harvest energy in cellular respiration. Anabolism, on the other hand, uses energy to construct components of cells such as proteins and nucleic acids.
The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is transformed into another by a sequence of enzymes. Enzymes are crucial to metabolism because they allow organisms to drive desirable but thermodynamically unfavorable reactions by coupling them to favorable ones. Enzymes also allow the regulation of metabolic pathways in response to changes in the cell's environment or signals from other cells.
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Photo credit: Haymanj
- May 10: Political columnist apologises after mocking disabled broadcaster Andrew Marr
- October 15: Scottish Ebola nurse Pauline Cafferkey 'critically ill' says Royal Free Hospital
- October 6: Civilian deaths as U.S. bombs hospital in Afghanistan
- June 6: Major haemorrhage linked to alcoholism announced as cause of Charles Kennedy's death
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- ... that Fanconi Syndrome is a disorder in which the proximal tubular function of the kidney is impaired, resulting in decreased reabsorption of electrolytes and nutrients back into the bloodstream?
- ... that Cretinism is a condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormones?
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- "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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- Wikify: Progeroid syndrome, Klebsiella Rhinoscleromatis, British Pharmacopoeia, Doctor-patient relationship, Freeman-Sheldon syndrome, Healthy diet, Osteoblastoma, Paramedicine, Podiatry
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