Before revision: Prosoplasia (from ancient Greek: προσωπον prósopon , "face" + πλάσις plasis, "formation") refers to the differentiation of cells to one of either higher function or of the differentiation of a group of cells to to a higher level of organization Bignold, Leon P., Brian LD Coghlan, and Hubertus PA Jersmann.
After revision: Prosoplasia (from ancient Greek: προσωπον prósopon , "face" + πλάσις plasis, "formation") refers to the differentiation of cells to either higher function or of the differentiation of a group of cells to to a higher level of organization Bignold, Leon P., Brian LD Coghlan, and Hubertus PA Jersmann.