Ischemia for 6 min resulted in an apparent delayed neuron death (DND) in the hippocampus, while ischemia for 3 min did not cause DND.

• 发现缺血 6min即可导致海马组织明显的神经元延迟性死亡 (de layedneurondeath ,DND) ,缺血 3min不足以引起海马组织明显的DND ;