The recent development of the concept of organs on a chip opens the possibility of realistically studying human organs without the use of patients or animal testing. Professor Jaap den Toonder even goes one step further: he intends to make microsystems in which multiple ‘organs’ are connected through ‘blood vessels.’ That will, for example, allow precise investigation of how cancer spreads. (Credit: ICMS Visualisation Studio)

Cross section of microsystem to study metastasis. (Credit: ICMS Visualisation Studio)

Professor Jaap den Toonder (Credit: Rob Stork/TU Eindhoven)

Read: Organ Network in Transparent Chip for Detailed Study of How Cancer Cells Spread