FIB-SEM (IMAGE) Howard Hughes Medical Institute Caption 3D rendering of FIB-SEM serial-sectioning of a scale iridophore showing an array of thin intracellular crystals arranged in parallel (highlighted by pseudocoloring in blue and gray; the cell’s nucleus is pseudocolored red). Credit Gur et al. Usage Restrictions Please use caption and credit. License Original 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.