Ion Channel (IMAGE) Duke University Caption A ribbon diagram depicting the structure of the TRPV2 ion channel (blue, yellow, green) as it lies embedded in the cell membrane (orange and white). This ion channel is a temperature sensor involved in the perception of pain and heat, and therapies targeting it could one day alleviate suffering in people afflicted with chronic pain. Credit Mark A. Herzik Jr., Scripps Research Institute Usage Restrictions None License Licensed content 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.