[Contribution of cones to activation of the slow PIII-potential of the frog retina].
A cone-specific subcomponent was separated from the slow PIII response of the frog retina. The time-course of cone sPIII was similar to [K+]0 decrease induced by the cone excitation. In comparison with rod sPIII, the cone sPIII had faster time-course, considerably smaller size and often fell below zero line. The data confirm principle similarity of rods and cones mechanism of excitation but suggest that their off-reactions are different.
D000818:Animals; D004594:Electrophysiology; D066298:In Vitro Techniques; D010786:Photoreceptor Cells / Q000502:physiology*; D011188:Potassium / Q000502:physiology; D011896:Rana temporaria; D012160:Retina / Q000502:physiology*; D014785:Vision, Ocular / Q000502:physiology*
D011188:Potassium
Vklad kolbochek v aktivatsiiu medlennogo PIII-potentsiala setchatki liagushki.