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All-or-none law

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.

all-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.
all’-or-none’ adj.


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    a direction (8va), placed above or below the staff to indicate that the passage covered is to be played one octave higher or lower respectively.

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    to divide or distribute by share or portion; distribute or parcel out; apportion: to allot the available farmland among the settlers. to appropriate for a special purpose: to allot money for a park. to assign as a portion; set apart; dedicate. Historical Examples We allot them only a few hours to consider a given question. […]

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