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All or none principle

Updated: 8/11/2023
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14y ago

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The all-or-none principle established by the American physiologist, Henry Pickering Bowditch states that the strength of a nerve's response to stimulus is completely independent from the strength of the latter. The nerve will still give a complete response even if the stimulus exceeds the threshold potential of the nerve.

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9y ago
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15y ago

the all or none response is when your brain has a stroke and theres this move you do that supposed to help you but if you dont do it right its a none response but if you did its an all. An all is you live while a none is you die. Taylor

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14y ago

all or none principle is a principle in which saracomere stays in a contracted state, until nerve stimulation stops. Exercytosis of ACH stops. ACH in receptors is broken down by enzyme. Calcium ions is then pumped back into SR by active transport (uses cell energy). No more calcium ions troponin turns locks the actin so that no more cross bridges can form. Filaments slide back passively.

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15y ago

The generation of an action potential (AP) is generally considered a 'all or none' response as opposed to a graded response. This has to do mainly with single motor units. Once an AP is triggered in the neuron body (soma) the AP travels along the axon to the neuro-muscular junction where it releases acetylcholine (Ach). The muscle then either fires (if enough axons discharge) or not, but there is no halfway response.

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11y ago

Axons

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