Time-lapse with computationally fixed heart reveals cell division in this
ventral view of a transgenic Tg(flk1:eGFP) zebrafish imaged via widefield fluorescence microscopy. Scale bars are 20 μm.
J. Ohn, H.-J. Tsai, M. Liebling, "Joint Dynamic Imaging of Morphogenesis and Function in the Developing Heart," Organogenesis, vol. 5, iss. 4, Oct./Nov./Dec. 2009.