en Original Article Apoptosis, Global brain ischemia, Hippocampus, Memory, Morphine, NO 14 21 https://ijbms.mums.ac.ir/article_3881.html Maedeh Arabian 14855 No Physiology Research Center, Physiology Department, Faculty of Medicine Iran University of Medical Sciences, Tehran, Iran Astronautics Research Institute, Iranian Space Research Center, Tehran, Iran Nahid Aboutaleb dr_nabo40@yahoo.com 14856 No Physiology Research Center, Physiology Department, Faculty of Medicine Iran University of Medical Sciences, Tehran, Iran Mansoureh Soleimani mansourwhsoleimani@gmail.com 14857 No Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran Fatemeh Zare Mehrjerdi 14858 No Department of Physiology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran Marjan Ajami 14859 No Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran Hamidreza Pazoki-Toroudi hpazooki@farabi.tums.ac.ir 14860 Yes Department of Physiology and Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran