Fig. 2. Confocal microscopy micrographs showing the G-actin (green) and the F-actin (red) staining of resting platelets (a-c); platelets incubated with 1% excess of (0.2)PC for 2 minutes (d-f) and 30 minutes (g-i); platelets stimulated with the Ca²⁺-ionophore A23187 (1 µM) pre-incubated with 100 µg/ml of calpeptin (j-l). Bars, 2 µm.