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Fig. 1 | The Journal of Basic and Applied Zoology

Fig. 1

From: Toxicological studies on commercial hair dye brand commonly used in Saudi Arabia: histological study of the liver, kidney, heart, and testis

Fig. 1

Sections in the rat cardiac muscle (left ventricle) show the following: G1: Co (control) with normal cardiac muscle fibers having oval central nuclei (black arrows) and thin wall intervening capillaries (white arrows) (H-E, × 200). G2: LD dye (low dose) showing focal atrophy with mononuclear inflammatory cells (black arrows) and numerous dilated and congested vessels (white arrows) (H-E, × 200). G3: HD dye (high-dose dye) showing marked disorganization and damage of cardiac fibers (arrows) with focal regions of severe necrosis fiber loss (stars) (H-E, × 200)

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