Zebrafish regrow fins using multiple cell types, not identical stem cells
Monday, May 16, 2011 - 21:30
in Biology & Nature
What does it take to regenerate a limb? Biologists have long thought that organ regeneration in animals like zebrafish and salamanders involved stem cells that can generate any tissue in the body. But new research suggests that multiple cell types are needed to regrow the complete organ, at least in zebrafish.