Jennifer Lee, a biomedical engineering master’s student at Texas A&M University, joined Dr. Abhishek Jain’s lab and designed an advanced vessel-chip that could replicate variations in vascular structure. Credit: Texas A&M University Human blood vessels are anything but simple. They bend, branch, narrow, and widen, creating complex pathways that affect how blood moves through the body. For a long time, however, laboratory models treated blood vessels as straight, uniform tubes. While useful,