- The definition of a stem cell is a simple cell that can duplicate itself over and over, providing new cells that can turn into cells with a specific purpose.
An example of a stem cell is a cell that can reproduce itself many times into cells which become blood cells.
Biol. any of a number of rudimentary cells that replicate repeatedly, providing a continuous source of new cells that differentiate into specialized cells
An unspecialized cell that can give rise to one or more different types of specialized cells, such as blood cells and nerve cells. Stem cells are present in embryos and in various tissues of adult organisms and are widely used in scientific research.
(plural stem cells)
- attributive form of stem cell, noun.
- stem-cell research