Fig. 9From: The recent development and applications of fluidic channels by 3D printing a A microfluidic system with the bioinks flow containing red and green fluorescent beads, photograph (inset) of the coaxial needle system with a “Y”-shaped microchannel, the illustration and fluorescence image of 3D construct with b,c alternate, d,e alternate/simultaneous, and f–i simultaneous deposition, with courtesy of [88]Back to article page