Main Entry: pros·o·pla·sia Pronunciation: "präs-&-'plA-zh(E-)& Function: noun 1: differentiation of tissue;especially: abnormal differentiation 2: organization of tissue toward a more complex state
prosoplasia pros·o·pla·sia (prŏs'ə-plā'zhə, -zē-ə) n. Progressive transformation to a higher level of function or complexity, such as the change the cells of the salivary ducts go through to become secreting cells.