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M

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RE RE RE RE. Na entrant. Ii (K ) Ie (Na , Cl-) Courant de. d placement: am ne la. membrane au. seuil en avant. du PA. Courant. K sortant. seuil. PA ... – PowerPoint PPT presentation

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Title: M


1
Mécanisme de la propagation du PA
RE RE
RE
RE
Courant de déplacement amène la membrane au
seuil en avant du PA
Courant K sortant
Ie (Na, Cl-)
- - - - - -


- - - - - -
- - -

Ii (K)
Na entrant
RI
RI
RI
RI
Propagation
PA
Zone inexcitable (repolarisation)
0mV
seuil
- 70mV
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