1: perikaryon of the Schwann cell; 2: Schmidt-Lanterman incisures; 3: forming varicosity of the axial cylinder (perfluorodecalin). Intravital serial video photography.Phase contrast. Vol. 40Ph, approx. 17.

Figure 75: Simultaneous swelling of Schmidt-Lanterman incisures and the perikaryon of Schwann cells in living myelin fibers for 10 hours under anhydrous conditionsof perfluorodecalin.