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. 2021 May 28;12:641310. doi: 10.3389/fphys.2021.641310

FIGURE 1.

FIGURE 1

Multi-scale structure of the right ventricle, demonstrating organ-level anatomy, tissue-level organization (red/pink: myofiber content, blue: collagen content), transmural fiber-level architecture of collagen and myofibers, myofibril organization, mitochondrial content, and sarcomere-level actin-myosin interactions.