Main Entry: his·to·dif·fer·en·ti·a·tion Pronunciation: -dif-&-"ren-chE-'A-sh&n Function: noun : thedifferentiation of a tissue from an undifferentiated group of cells
histodifferentiation his·to·dif·fer·en·ti·a·tion (hĭs'tō-dĭf'ə-rěn'shē-ā'shən) n. The morphologic appearance of tissue characteristics during embryonic development of the embryo.