Stem Cell Stem cells, found in all organisms, are a type of cell that can replicate and replace damaged or lost cells. Random Glossary Term Chronological Age Chronological Age refers to the number of years that an animal has lived since birth. Sign Up For Our Newsletter Weekly insights into the future of longevity Sign Up
Stem Cell Stem cells, found in all organisms, are a type of cell that can replicate and replace damaged or lost cells.