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. Author manuscript; available in PMC: 2019 Jul 13.
Published in final edited form as: Annu Rev Biomed Eng. 2019 Jun 4;21:417–442. doi: 10.1146/annurev-bioeng-062117-121129

Figure 4.

Figure 4

Schematic of cardiac microstructure showing transmural fiber orientation and branching sheet structures. Abbreviations: TR, transverse; AT, axial-transmural; TN, tangential planes. Combined figure adapted from References 25, 41, and 42.