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. The stem cell nuclei are shown here | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / De Angelis, Maurizio |
Taille de l’image : | 5000 px × 3750 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |