“…Microscopical advantages of film-containing vessels may favour the cultivation of fused cells (Moroz, 1988a) or cells subjected to centrifugal surgery (Moroz, 1988b(Moroz, , 1989. In the case of multilayer cell growth, microtome sectioning parallel to the surface (Moroz, 1990) might be a useful complement to conventional sectioning perpendicular to the growing layer.…”