an undifferentiated cell that can divide to produce any sort of specialised tissue. This can act as a continuous repair system for living things. They are found in embryos and in tissue stem cells of adults.

STEM CELL: "Stem cell research has to deal with a lot of ethical questions."
Cite this page: N., Pam M.S., "STEM CELL," in, April 13, 2013, (accessed October 18, 2021).