Studies of brain weight and RNA content after short periods of exposure to environmental complexity.
D000818:Animals; D001835:Body Weight; D001921:Brain / Q000033:anatomy & histology / Q000378:metabolism*; D004777:Environment; D004781:Environmental Exposure; D009929:Organ Size; D010902:Pituitary Gland / Q000033:anatomy & histology; D012313:RNA / Q000378:metabolism*; D051381:Rats
D012313:RNA