Stem cells are undifferentiated or partially differentiated cells that can differentiate into various types of cells and proliferate indefinitely to produce more of the same stem cell.
Izirwan wi enatti amosan a war n izlay meɣ izirwan izlaynen a andarran addobat nen uzlay s ichikilan ajjotnen tolad anfiz nat harkuk i ad aɣnin at azar olahan id an enatti