Movie S2.

PC/PB tightly interact with FRC in medullary cords. 3D reconstruction of confocal images of vibratome sections (25 μm) from draining pLN of OVA/Mont immunized mice (with OT-I/II cell transfer, d5.5) stained for laminin (blue), pdpn+ FRC (red) and CD138+ PB/PC (green) with white areas representing contact zones between these two cell types within medullary cords.