to·tip·o·ten·cy (tō-tĭp'ə-tən-sē, tō'tĭ-pōt'n-sē) n.
pl.to·tip·o·ten·cies also to·tip·o·ten·ces The ability of a cell, such as an egg, to give rise to unlike cells and thus to develop into or generate a new organism or part.
[Latin tōtus, whole; see total + potency.] to·tip'o·tent adj.
the ability of a cell to give rise to unlike cells and so to develop a new organism or part; "animal cells lose their totipotency at an early stage in embryonic development" [syn: totipotency]