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dose |
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dose 1. Med a specific quantity of a therapeutic drug or agent taken at any one time or at specified intervals 2. Physics the total energy of ionizing radiation absorbed by unit mass of material, esp of living tissue; usually measured in grays (SI unit) or rads 3. a small amount of syrup added to wine, esp sparkling wine, when the sediment is removed and the bottle is corked dose [dōs] (medicine) The measure, expressed in number of roentgens, of a property of x-rays at a particular place; used in radiology. (nucleonics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Nutrients typically express such a high therapeutic index (ratio of some defined toxic dose to some defined therapeutic dose) that dual bioactivity is more accurately captured by at least two separate dose-response curves. APAP has been demonstrated to cross the placenta and in toxic doses may harm the fetal and maternal hepatocytes. As in the case of PSP, arriving at a toxic dose of domoic acid in the 1987 episode was difficult because it was dependent largely on indirect measurements on recovered or uneaten products. |
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