
Cardiac muscle
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x

Muscle fibers
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x

Nuclei
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x

Myofibrils
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x

Cross striations
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x

Intercalated discs
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x

Capillary
Intercalated discs and myobrils are seen in greater detail in this high magnification image of longitudinally-sectioned cardiac muscle fibers. Intercalated discs are composed of the interdigitating plasma membranes of adjacent fibers along with adherent and communicating cell junctions. 1000x