| 单词 | all-or-none law |
| 释义 | all-or-none law[ awl-er-nuhn ] / ˈɔl ərˈnʌn / noun Physiology.the principle that under given conditions the response of a nerve or muscle fiber to a stimulus at any strength above the threshold is the same: the muscle or nerve responds completely or not at all. Origin of all-or-none lawFirst recorded in 1895–1900 Words nearby all-or-none lawallopsychic, allopurinol, All-Ordinaries Index, allorhythmia, all-or-none, all-or-none law, all-or-nothing, allosaur, allosaurus, allosome, allosteric Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for all-or-none lawall-or-none law n.The principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will either give a complete response or no response at all. Other words from all-or-none lawall′-or-none′ adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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