addition of 1 or 3 mm dibutyryl cyclic guanosine monophosphate with 1 mm theophylline to the medium also induced development of cytoplasmic processes from these cells and the cells became stellate , although the cytoplasmic processes were not as long or as numerous as those induced by dibutyryl cyclic adenosine monophosphate , and the altered cells could not be referred to as differentiated glia cells .
C0010834
cytoplasmic
C0007634
cells