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