Opioids are responsible for neurochemical feminization of the brain in prenatally stressed male rats. Reznikov A, Nosenko N, Tarasenko L. Journal Article 2005; 26(1): 35-38 PubMed PMID: 15726017 Keywords: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase:metabolism, Animals, Aromatase:metabolism, Brain Chemistry:physiology, Catecholamines:metabolism, Chromatography, Thin Layer, Dopamine:metabolism, Female, Feminization:physiopathology, Hypothalamus:metabolism, Male, N. Citation OBJECTIVES: To study the role of opioids in early postnatal changes of the hypothalamic testosterone metabolism and catecholamine content ..... Read abstract Full text PDF