Stem cell bank. Vials of embryonic stem cells on a gloved hand, being prepared for freezing at a stem cell bank. The freezing will preserve them until

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Stem cell bank. Vials of embryonic stem cells on a gloved hand, being prepared for freezing at a stem cell bank. The freezing will preserve them until they are needed. Stem cells are precursor cells from which all the body's specialized tissue cells develop. Stem cell specialization can be initiated in the laboratory by the use of chemical growth factors. Stem cell research involves trying to use stem cells to repair or replace diseased tissues or organs. All the cells in young embryos are stem cells, and these cells were obtained from embryos that died of natural causes. Photographed at the Besta Neurological Institute, Milan, Italy.

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Size: 3284px × 4218px
Photo credit: © KLAUS GULDBRANDSEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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