Stained Gill Cells (2 of 2) (image) Swiss Federal Institute of Aquatic Science and Technology: Eawag Share Print E-Mail Caption Rainbow trout gill cells were fixed and stained using molecular probes for nuclei (blue), lipid (green) and actin (red). These cells were healthy control cells unexposed to chemical stimuli. Credit © Photo: Vivian Lu Tan, Eawag Usage Restrictions only in connection with this release, no archiving 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.