HSPC migration in a bone-marrow-on-a-chip. Video shows transmitted light (phase contrast) of an HSPC loaded in the central channel and migrating toward the pseudo-endosteal compartment (top channel), containing osteoblasts, and the pseudo-vascular compartment (bottom channel), containing endothelial cells, forming a vascular network. The pitch of central pilar spacing is 200 µm. Time is indicated in hours.
