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. 2019 May 13;7(9):e14095. doi: 10.14814/phy2.14095

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© 2019 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of The Physiological Society and the American Physiological Society.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Dual perforated‐patch recordings from a retinal microvascular complex freshly isolated from a diabetic rat. (A) photomicrograph showing a pair of recording pipettes (arrows) at an interpipette distance of 973 μm. (B) left panel, voltage trace during administration via one of the pipettes (stimulator) of a 750‐msec duration 25‐pA hyperpolarizing current. Right panel, voltage trace recorded by the other pipette (responder). To aid visualization, the voltage change at the responding site is displayed at a 5‐fold larger gain.