Stem cells,illustration. Stem cells are undifferentiated cells that can produce other types of cell when they divide. There are three main stem cell types in mammals: embryonic stem cells,derived from blastocysts; adult stem cells,which are found in adult tissues; and cord blood stem cells,which are found in the umbilical cord | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Elam, Gunilla |
Bildgröße: | 3620 px × 4827 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |