Fig. 6. Reconstructed schematic diagrams of 3D microfluidic cell culture devices. (A) Isometric view of the hydrogel patterns with a zoomed in illustration (B) of the capillary barriers, PDMS pillars and hydrogel compartments of the compartmentalized model,73 (C) TEM (the tumour microenvironment) model,74 and (D) vascular model.75.
