Microfluidics in Cell Biology Part A: Volume 146, the latest release in the Methods in Cell Biology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. Unique to this updated volume are sections on Cell monolayers/spheroids, Collective migration in microtubes, Leukocyte adhesion dynamics on endothelial monolayers under flow, Constrained spheroid for perfusion culture, Cells in droplet arrays, Heart on chips, Kidney on chips, Liver on chips and hepatic immune responses, Gut on chips, 3D microvascular model-based lymphoma model, Blood brain barrier on chips, Multi-organ-on-a-chip for pharmacokinetic analysis, Cancer immunotherapy on chips, and more.