Cardiac muscles are composed of irregularly branched cells bound together by intercalated discs. They consist of centrally located nuclei and show strong, involuntary contractions. Compared to the nuclei, the intercalated discs are elongated and are more darkly stained.
Cardiac muscles are composed of irregularly branched cells bound together by intercalated discs. They consist of centrally located nuclei and show strong, involuntary contractions. Compared to the nuclei, the intercalated discs are elongated and are more darkly stained.