Micrograph Recordings (IMAGE) University of Leicester Caption Three panels show: The upper panel is a micrograph of a fluorescently labelled IC cell of the zebrafish embryo spinal cord. The neuron was dialysed with the fluorescent dye sulforhodamine during physiological recording. The lower panels depict rhythmic (left hand panel) and sustained (right hand panel) recorded from early embryonic and swimming stage zebrafish respectively. Credit University of Leicester Usage Restrictions Use only with credit 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.