Heart muscle — Free Physiology Illustration | GPAI | GPAI

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Heart muscle — Free Physiology Illustration | GPAI | GPAI

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Heart muscle

Heart muscle

Physiology

Heart muscle

Bundle or strip of cardiac muscle tissue shown as a compact interconnected mass of short branching red to deep reddish-pink striated fibers. The muscle cells have centrally placed oval nuclei, faint to visible cross-striations, and occasional dark intercalated disc lines crossing the fibers at intervals. The tissue appears thicker and more interconnected than skeletal muscle, with a dense layered myocardium-like appearance and slightly curved tissue edges.

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