Department of Plastic and Reconstructive SurgeryShanghai Ninth People's HospitalShanghai JiaoTong University School of Medicine 639 Zhi Zao Ju Road Shanghai 200011 P. R. China
Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine 197 Ruijin 2nd Road Shanghai 200025 P. R. China
Department of Pharmaceutical Sciences Laboratory and Turku Center for BiotechnologyÅbo Akademi University Turku FI‐20520 Finland
State Key Laboratory for Strength and Vibration of Mechanical StructuresSchool of AerospaceXi'an Jiaotong University Xi'an 710049 P. R. China
Drug Research ProgramDivision of Pharmaceutical Chemistry and TechnologyFaculty of PharmacyUniversity of Helsinki Helsinki FI‐00014 Finland
Helsinki Institute of Life Science (HiLIFE)University of Helsinki Helsinki FI‐00014 Finland
Inspired by drying‐driven curling of apple peels, hydrogel‐based micro‐scaled hollow tubules are proposed in article number 1903553 by Yuguang Zhang, Xiaoming Sun, Hélder A. Santos, Wenguo Cui, and co‐workers for biomimicking microvessels with diameters of 50–500 μm, which promote microcirculation and improve the survival of random skin flaps. The 3D‐shape‐morphing technique is of great flexibility and potential to lay the foundation for the construction of complex vascular networks, such as Y‐branches, anastomosis rings, and triangle loops.
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