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PMNs migrate preferentially along the keratocyte network. (a) Cell tracks (white lines; ◙ = starting point; ○ = end point) are coincident with the keratocyte network (lighter structures against dark background) from an extended 23 minute sequence. The area of wounding was outside the field, to the left. Individual cell paths (b) and vectors (c) show predominant movement toward the wound.
