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. Author manuscript; available in PMC: 2011 Nov 21.
Published in final edited form as: Int J Biochem Cell Biol. 2009 May 14;41(10):1949–1956. doi: 10.1016/j.biocel.2009.05.004

Fig. 3.

Fig. 3

Dog;TEM. The edges of two longitudinally-sectioned, parallel cardiomyocytes separated by areolar connective tissue that represents the combined epimysia of the respective cells. The high degree of surface scalloping of the two cells is the result of fixative-induced contraction. In each cardiomyocyte, the plasma membrane (sarcolemma) is underlain by a continuous row of mitochondria, the SSM. The more interior mitochondria, which are flanked by myofibrils, are the IFM.