FIG. 4.
(A) A 3D printed carbohydrate-glass lattice and (B) image of human umbilical vein endothelial cells (red) residing in the vascular network of a fibrin gel with uniformly distributed 10T1/2 cells (green). Scale bar=1 mm. The images are from Miller et al.80 Color images available online at www.liebertpub.com/teb