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PETBioNewsGlossaryTotipotency

BioNews

Totipotency

Describes a cell capable of developing into any type of cell or tissue, including extraembryonic tissues, such as the placenta. The zygote, formed immediately after fertilisation, is totipotent and has the potential to create an embryo.

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Image by the University of Edinburgh via the Wellcome Collection. Depicts cells with organelles (colour-enhanced electron micrograph of cells, showing nuclei in green and mitochondria in red).