Ion Channels (image) Cold Spring Harbor Laboratory Share Print E-Mail Caption This is a voltage-dependent potassium channel as viewed from outside of the cell membrane. Credit Cover images courtesy of Dorothy M. Kim and Crina M. Nimigean, and Thomas G. Oertner. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.