The migrated granule cells projected mossy fibers into the dentate hilus and lucidum of CA3 sector but did not project to the CA2 and CA1 sectors.

• 移行到齿状回颗粒细胞层的颗粒细胞投射苔状纤维到齿状回门区和CA3区的透明层,却不到CA2和CA1区。