Figure 3. Muscle sections observed under an electron microscope in the control group (a), ESC (b), and ESC treated with 30 mg/kg arctiin (c).

Thick arrows represent enlarged pleomorphic cells, thin arrows represent irregular plasma membrane, letter n represents irregular nuclei, letter R represents extensive cytoplasmic ribosomes, arrowhead represents widened intercellular space, star represents necrotic cells, pn represents pyknosis and membrane rupture, nu represents irregular nucleus with two prominent nucleoli. The scale bar is 5 μm.

ESC: Ehrlich solid carcinoma; AV: autophagic vacuoles