A Role for the Sodium Pump in Photoreception in Limulus

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Science  25 Oct 1968:
Vol. 162, Issue 3852, pp. 456-458
DOI: 10.1126/science.162.3852.456


The membranes of photoreceptor cells in Limulus have an electrogenic sodium pump which contributes directly to membrane potential and whose activity is changed by light. These light-induced changes in pump activity underlie the receptor potential.

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