undifferentiation

Actually, it's dedifferrentiation and not undifferentiation.

StrategyPage.com 2009

And they share that undifferentiation with cancer cells.

Think Progress » Brownback Holds Up Drawing Of Embryo, Asks ‘Are You Going To Kill Me?’ 2006

There thus exists an initial phase of undifferentiation which, seen from a later, differentiated phase, appears as logically contradictory, but which is thoroughly in line with the undeveloped stage of the organization.

Conflict and The Web of Group-Affiliations Georg Simmel 1956

There thus exists an initial phase of undifferentiation which, seen from a later, differentiated phase, appears as logically contradictory, but which is thoroughly in line with the undeveloped stage of the organization.

Conflict and The Web of Group-Affiliations Georg Simmel 1956

There thus exists an initial phase of undifferentiation which, seen from a later, differentiated phase, appears as logically contradictory, but which is thoroughly in line with the undeveloped stage of the organization.

Conflict and The Web of Group-Affiliations Georg Simmel 1956

Nevertheless all these are found in oneness and undifferentiation in the most high Nature of the Godhead.

The Adornment of the Spritual Marriage 1293-1381 1916

Igdrasil Tree of the Light Universe, in a unity that is not now the unity of negation and undifferentiation -- an Abyss that swallows up all that is in it, -- but a unity of many wills united in a spirit of concord and love, many persons formed by holy desire into one unbroken symphony as harps of God.

Spiritual Reformers in the 16th & 17th Centuries Rufus Matthew Jones 1905