results in assembly of cell-cell junction assembly cellular component assembly tight junction tight junction assembly occluding junction assembly occluding cell junction assembly A cellular process that results in the aggregation, arrangement and bonding together of a set of components to form a tight junction. A tight junction seals cells together in an epithelium in a way that prevents even small molecules from leaking from one side of the sheet to the other. GO:0120192 2018-08-14T22:48:05Z biological_process tight junction organization