in the dispersed cell , granules are contained in an extensive three-dimensional lattice composed of radially oriented microtubules and a network of fine filaments 3-6 nm in diameter ( microtrabeculae ) , whereas in the aggregated cell , the microtrabecular system is absent , and the majority of the microtubules appear displaced into the cortices on the cytoplasmic surface of the plasma membrane .
C0010851
filaments
C0007634
cell