Digital Histology
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Myocardium

Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x

Central nuclei <p>Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x</p>

Central nuclei

Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x
Branching fibers <p>Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x</p>

Branching fibers

Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x
Intercalated discs <p>Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x</p>

Intercalated discs

Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x
Striations <p>Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x</p>

Striations

Diagnostic features of cardiac muscle fibers are central nuclei, branching fibers and intercalated discs. Intercalated discs, appearing as thick lines, are specialized junctions between fibers; each is composed of interdigitating plasma membranes, myofilaments and cell junctions. The striations and banding pattern of cardiac muscle are not very obvious in this longitudinal section. 400x
Main SlideCentral nucleiBranching fibersIntercalated discsStriations