Sel punca inggih punika sel sané nénten madiferensiasi utawi kadiferensiasi sebagian sané prasida kadiferensiasi dados makudang-kudang sel miwah maproliferasi tan pawates mangda prasida ngasilang akéhan sel punca sané pateh.
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.