totipotency

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to·ti·po·ten·cy

, totipotence (tō'tē-pō'ten-sē, tō-tip'ō-tens),
The ability of a cell to differentiate into any type of cell and thus form a new organism or regenerate any part of an organism; for example, a fertilized ovum, or a small excised portion of a Planaria, which is capable of regenerating a complete new organism.
[L. totus, entire, + potentia, power]
Farlex Partner Medical Dictionary © Farlex 2012

to·ti·po·ten·cy

, totipotence (tō-tip'ŏ-tĕn-sē, -tĕns)
The ability of a cell to differentiate into any type of cell and thus form a new organism or regenerate any part of an organism.
[L. totus, entire, + potentia, power]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

totipotency

the ability of a cell or tissue to give rise to adult structures. The capacity is often lost in adult cells (particularly in animals) which, having differentiated into one specific type, cannot change to another type of cell. see GURDON, CELL DIFFERENTIATION.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005