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Ex vivo bioreactor system. (A) A gear pump generated pulsatile through explanted arteries within the CO2 incubator. (B) The explanted artery is bathed in cell culture media and an ultrasound probe can be directly placed on the outer sleeve of the bioreactor housing to measure the diameter. (C) Ultrasound image showing the inner diameter of the explanted artery (markers outlined in red).
