part_of part of part of has_participant has participant has participant endoderm formation cell differentiation endodermal cell differentiation 2011-08-25T04:50:36Z GO:0035987 The process in which a relatively unspecialized cell acquires the specialized features of an endoderm cell, a cell of the inner of the three germ layers of the embryo. bf biological_process endoderm cell differentiation COL6A1 FN1 ITGB5 MMP9