Video 3. Representative examples of the floor plate crossing of tdTomato-positive dI1 axons (shown in black) taken from 24 hr time-lapse recordings from control (Endo control), Endoglycan knockdown (dsEndo), and Endoglycan overexpression (Endo OE) conditions.

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An arrowhead in each condition points at the migrating growth cone. Dashed lines represent floor-plate boundaries.