Definition: A systematic process consisting of an ordered sequence of steps, each step depending on the outcome of the previous one. In clinical medicine, a step-by-step protocol for management of a health care problem; in computed tomography, the formulas used to calculate the final image from the transmitted x-ray data.
[Mediev. L. algorismus, after Muhammad ibn-Musa al-Khwarizmi, Arabian mathematician, + G. arithmos, number]
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Examples: glitazone, GI cocktail, etc.