Nerve impulse propagation,artwork

Numéro d’image : 11601674
Nerve impulse propagation,artwork
Nerve impulse propagation. Artwork showing the mechanism of propagation of the action potential (spike in voltage) which is known as a nerve impulse. The sequence runs from top to bottom,with the nerve impulse (red) moving from left to right along the nerve (blue). The cellular mechanism involves voltage-gated ion channels in the nerve cell membrane (grey). Depending on the nerve,either sodium or calcium ions flow into the nerve during the propagation of the nerve impulse,and potassium ions are actively transported out to return the voltage to the resting potential and end the impulse. Both these mechanisms are shown by the arrows
Licence : Droits gérés
Crédit: Science Photo Library / Leroy, Francis / Biocosmos
Taille de l’image : 5000 px × 3548 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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