The effects of environmental complexity on the histology of the rat hippocampus.
D000818:Animals; D004777:Environment; D006234:Handling, Psychological; D006624:Hippocampus / Q000033:anatomy & histology* / Q000098:blood supply; D008568:Memory; D009457:Neuroglia / Q000033:anatomy & histology; D009778:Occipital Lobe / Q000033:anatomy & histology / Q000098:blood supply; D009929:Organ Size; D051381:Rats; D012934:Social Isolation