The Effect of Safflower Yellow on Spinal Cord Ischemia Reperfusion Injury in Rabbits

((a)–(d)) TUNEL immunohistochemical staining in the spinal cord anterior horn at the same magnification of 200 times. TUNEL-positive neurons were observed in group (b) and group (c), but in the control group they were almost not detected (a). (d) The apoptotic index (TUNEL-positive to total neuron ratio) of anterior horn neurons, and * indicates comparison with the two other groups, .