Representative bipolar patterns of cortical domains enriched in Rac1*.

<p>(<b>A</b>) <i>Rotating dipole</i>. Rotation of two different domains. (<b>B</b>) <i>Oscillating dipole</i>. Two domains located on opposite sides and periodically changing their orientation. (<b>C</b>) <i>Stationary dipole</i>. Two domains located on opposite sides remain stationary for several minutes. Scale bars: 5 μm.</p> <p>(PDF)</p>