Unlike embryonic stem cells, which are defined by their origin (cells from the preimplantation-stage embryo), the origin of adult stem cells in some mature tissues.
Unlike embryonic stem cells, which are defined by their origin (the inner cell mass of the blastocyst), adult stem cells share no such definitive means of.
The rigorous definition of a stem cell requires that it possesses two properties: Self-renewal - the ability to go through numerous cycles of cell division while.
Adult stem cells are undifferentiated cells, found throughout the body after development, that multiply by cell division to.
Definitions for adult stem cells debated. Adult tissues must maintain themselves and regenerate after damage. But are these crucial functions.