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tolerance |
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tolerance 1. the permitted variation in some measurement or other characteristic of an object or workpiece 2. Physiol the capacity of an organism to endure the effects of a poison or other substance, esp after it has been taken over a prolonged period tolerance [′täl·ə·rəns] (design engineering) The permissible variations in the dimensions of machine parts. (engineering) A permissible deviation from a specified value, expressed in actual values or more often as a percentage of the nominal value. (pharmacology) The ability of enduring or being less responsive to the influence of a drug or poison, particularly when acquired by continued use of the substance. The allowable deviation from a standard, as the range of variation permitted for the content of a drug in one of its dosage forms. 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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| These individuals appear to have a form of immunological tolerance to Fel d 1. His work aims at the induction of immunological tolerance in transplanted patients, and has resulted in the first successful technique for imaging islet grafts in vivo following transplantation. Of pivotal interest, from a developmental perspective, is how, why, and when some people acquire immunological tolerance to common allergens, while others go on to develop asthma. |
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