Frog Brain Cells (IMAGE) University of Pittsburgh Caption Cells from the prospective brain of the frog are large and active and easily viewed with advanced microscopy. Credit MechMorpho Lab/Lance Davidson 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.