11.09.2026
Jing Ma, Shanshan Zhang, Xiaokang Deng, Cheng Qi, Haifeng Dong, Zhou Liu, Si Meng, Tiantian KongScaffold‐free tissue engineering aims to recapitulate native cellular organization, yet constructing structurally stable tissue architectures beyond planar geometries remains challenging. Here, we show that hydrogel lumen confinement, created through aqueous‐in‐aqueous embedded b …