Relatively undifferentiated cells that retain the ability to divide and proliferate throughout postnatal life to provide progenitor cells that can differentiate into specialized cells.

Synonyms: Mother Cell, Cells, Mother, Colony Forming Unit, Cell, Stem, Colony-Forming Unit, Stem Cell, Progenitor Cells, Colony-Forming Units, Stem Cells, Cells, Stem, Mother Cells, Progenitor Cell, Colony Forming Units, Cell, Progenitor, Cells, Progenitor, Cell, Mother