Figure 427 from Chapter 16 (Cytoplasmic matrix and cytoskeleton) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. Papillary muscle of cat heart shows the cross-banded organization of striated muscle. M...

Transmission electron micrograph of longitudinal section of rat heart ventricle. A portion of a nucleus is seen at upper right, with a region of closely packed mitochondria extending to lower left, fl...

Transmission electron micrograph of rat heart cardiac muscle from the atrium showing the regular arrangement of the actin-myosin myofilaments in cross section and abundant mitochondria. This 1958 TE...

Transmission electron micrograph of longitudinal section of rat cardiac muscle from the atrium. A of group of horizontally-running myofibrils is seen at the top. Also prominent are numerous glycogen...

Transmission electron micrograph of mouse cardiac muscle (ventricle). The image illustrates the myofibrils as well as a sarcomere in the area of fibrils between the two Z-lines. Z-lines link actin fi...

Transmission electron micrograph of longitudinal section of rat heart cardiac muscle from the atrium. A darkly stained intercalated disc runs from upper left to lower right. Also prominent are groups...

Transmission electron micrograph of longitudinal section of rat cardiac muscle from the heart atrium. Homogeneously staining spherical trial granules are present as well as mitochondria and myofibrils...

Transmission electron micrograph of longitudinal section of a a rat heart ventricle. Ordered arrays of myofibrils are interspersed with rows of mitochondria. Small, darkly staining glycogen granules a...

Figure 428 from Chapter 16 (Cytoplasmic matrix and cytoskeleton) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. Papillary muscle of cat heart shows one sarcomere length of two adjacent myofibrils at h...

Transmission electron micrograph of mouse atrial cardiac muscle showing a close up image of the intercalated discs, which support synchronized contraction of the cardiac muscle.