nervous system development nonhuman 64 priority journal 54 Animals 52 controlled study 44 animal tissue 38 article 30 animal 28 animal experiment 28 Neurogenesis 26 cell proliferation 26 hippocampus 26 male 26 Male 24 mouse 24 Article 22 Hippocampus 22 dentate gyrus 22 physiology 22 animal cell 20 Humans 18 embryo 18 human 18 Female 16 Mice 16 animal model 16 female 16 metabolism 16 protein expression 16 gene expression 14