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Egyptian Journal of Forensic Sciences
Fig. 12 | Egyptian Journal of Forensic Sciences

Fig. 12

From: Cytotoxicity associated with acute and chronic administration of synthetic cannabinoids “Strox” in the brain, liver, heart, and testes of male albino rats: histological and immunohistochemical study

Fig. 12

Photomicrographs of the longitudinal sections of left ventricular heart muscles stained with SR (×400). A and B Negative and positive control groups show few collagen fibers between cardiac muscle fibers (arrow). While acute, chronic, and chronic withdrawal groups C, D, and E: reveal increased collagen fibers between cardiac muscle fibers compared to the control group (arrows). F: showing the mean area % of collagen fibers in all groups. Data are expressed as mean ∓ SD; P≤ 0.001 for control groups vs acute, chronic and chronic withdrawal groups

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