大量研究表明成年海马齿状回存在神经发生,海马齿状回的神经干细胞位于海马门区与颗粒细胞层间的下颗粒带,其终生保持着增殖分化的能力。海马齿状回的神经发生受到生活环境、生长因子、应激及学习和记忆等多种因素的调控。海马齿状回神经干细胞产生的新的神经元可能与学习、记忆等功能密切相关。 Numerous studies have shown that neurogenesis occurs in the dentate gyrus of adult hippocampus. The neural stem cells in the hippocampus dentate gyrus are located in the lower granular zone between the hippocampus and the granulosa cell layer, which maintains the capacity of proliferation and differentiation throughout their lives. The hippocampal dentate gyrus is affected by living environment, growth factors, stress, learning and memory and other factors. Hippocampal dentate gyrus neural stem cells to generate new neurons may be closely related to learning, memory and other functions.