Skeletal muscle tissue Nuclei in a muscle fiber Striations Skeletal muscle fiber Nuclei in a muscle fiber Striations Skeletal muscle fiber Nuclei in a muscle fiber Striations Skeletal muscle fiber Skeletal muscle fiber

Cardiac muscle tissue Striations Intercalated disc Nucleus Nucleus Intercalated disc Striations Cardiac muscle fiber

Smooth muscle tissue Nucleus Smooth muscle fiber Nucleus Smooth muscle fiber