The outline of this research (IMAGE) Ehime University Caption (A) The Bessel beam forming unit composed of a combination of three lenses. (B) Construction of two-photon excitation light-sheet microscopy using the Bessel beam forming unit and near-infrared lasers. (C) Whole body lymphatic and blood vessel imaging of a medaka larva using the microscope. Credit Takashi Saitou (Ehime University) Usage Restrictions Please get copyright permission 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.