798492.fig.001a
798492.fig.001b
Figure 1: Micrographs show outer surface of PC myelin with accelerating voltage of 5 kV. The surface of specimen was treated by a vacuum deposition of gold after etching. (a) PC myelin figure growing in the direction of arrow. (b) The “double-helix” coiling of PC myelin figure consists of two simple myelin rods having the same diameter indicated by an arrow. The white bar in the micrograph represents 10 μm.