Prosoplasia (from prósō, "forward" + πλάσις plasis, "formation") is the differentiation of cells either to a higher function or to a higher level of organization.Bignold, Leon P., Brian LD Coghlan, and Hubertus PA Jersmann. David Paul von Hansemann: contributions to oncology. Springer, 2007.
Assuming an increasing cellular peculiarity from a presupposed stem-cell fate, prosoplasia is therefore a forward differentiation, unlike anaplasia (a backward differentiation). Examples of prosoplasia include the forward differentiation of cells in the mucosa in Warthin's tumor.Rajendran, R. Shafer's textbook of oral pathology. Elsevier India, 2009.
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