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dedifferentiation

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dedifferentiation /de·dif·fer·en·ti·a·tion/ (de-dif″er-en″she-a´shun) anaplasia.
de·dif·fer·en·ti·a·tion (ddf--rnsh-shn)
n.
Regression of a specialized cell or tissue to a simpler unspecialized form.
dedif·fer·enti·ate v.
dedifferentiation.
See anaplasia.
anaplasia [an″ah-pla´zhah]
loss of differentiation of cells and their orientation to each other, a characteristic of tumor cells; called also dedifferentiation and undifferentiation.
dedifferentiation
regression from a more specialized or complex form to a simpler state.
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