process in which by a less specialized cell matures to become a more distinct one 

a cell that hasn't acquired a special function yet

stem cells that are taken from the undifferentiated inner cells of a human embryo

stem cells that have ability to develop into any adult cell type (except placental)

cells that can develop into all adult cell types, plus placental cells

cells that can develop into more than one cell type, but more limited than pluripotent cells

any unique property that comes forth when component objects are joined to make a whole

a cell that can only differentiate along one lineage 

the production of embryonic stem cells for use in repairing/replacing damaged tissues