In the experiments, 70 Wistar albino male rats weighing 250-280 g obtained from the Experimental Animal Laboratory of Medicinal and Experimental Application and Research Center were used. The animals were housed under controlled conditions at 22 ± 1°C and 12-hour light–12-hour darkness cycles in standard plastic cages. Rat food pellets and water were provided ad libitum. Gadodiamide was used as a contrast agent (Omniscan, Opakim Pharma, Istanbul, Turkey), and 50 mg/mL ketamine (Ketalar, Pfizer, Istanbul, Turkey) and 100 mg/mL xylazine (XYLASED, Bioveta, Ankara, Turkey) were used as dissociative anesthetics.
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