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Microtubules in the cardiomyocyte. (a) Intercalated disc region. (b) Nuclear region. (c) Mitochondrial associated microtubules. (d) Microtubules at the dyad/Z-disc. Microtubules (blue), sarcomeric cytoskeleton (red/orange), mitochondria (green), nuclei (light purple). (A color version of this figure is available in the online journal.)
