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Cours 2 CP NCI 2012 - Département de biologie

Cours 2 CP NCI 2012 - Département de biologie

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• D’un changement <strong>de</strong><br />

potentiel<br />

transmembranaire.<br />

• Il existe <strong>de</strong>ux types <strong>de</strong><br />

potentiels<br />

transmembranaires<br />

– Potentiel <strong>de</strong> repos<br />

(pas excité)<br />

– Potentiel d’action<br />

(excité suite à une<br />

stimulation)<br />

D’où vient l’excitabilité ?

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