15. Sensation: Revision history

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26 January 2023

  • curprev 13:4913:49, 26 January 2023‎ Nikolas talk contribs‎ 7,885 bytes +7,885‎ Created page with "== Vision == Rods, the cells that sense light, are unique in one way compared to other cells of the nervous system. While other cells are depolarized when they become activated, rods are hyperpolarized! When resting, the rods are depolarized. This happens because in most cells, a signal is propagated when the amount of a second messenger ''increases'', in rods this happens when [cGMP] ''decreases'', as we will see. The rod cell membrane contains multiple ion-channels th..." Tag: Visual edit