For generations, the hidden architecture of the human body has resisted the flatness of textbooks and diagrams, asking students to imagine in three dimensions what they can only see in two. A randomized study published in 2026 offers evidence that augmented reality can bridge this gap: medical students who explored the liver's vascular structures through interactive three-dimensional models outperformed their peers on both knowledge assessments and practical identification tasks, and held that advantage four weeks later. The findings invite medical educators to reconsider not just how anatomy