To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Sequence of optical sections imaged dorsally-to-ventrally using confocal microscopy to visualize a neurospheroid stained with a chat riboprobe (green) and Hoechst as a counterstain (blue). chat+ neuron cell bodies surround a volume lacking nuclei. Integrin suppresses neurogenesis and regulates brain tissue assembly in planarian regeneration Nicolle A. Bonar, and Christian P. Petersen Development 2017. 144:784-794; doi: 10.1242/dev.139964 Download Original Video