Fig. 1.

Mouse brain distribution of 5α-R type I (a) and 3α-HSD (b) mRNAs. (aA and bA) Somatosensory cortex, coronal section at bregma +1.10 mm (49). I to V identify the cortical layers. (Fig. 1 aB and bB) Hippocampus, coronal section at bregma −2.46 mm (49). CA, cornus ammonis; DG, dentate gyrus; O, stratum oriens; R, stratum radiatum; LM, layer lacunosum moleculare; M, molecular layer dentate gyrus; H, hilus. (aC and bC) Olfactory bulb, coronal section at bregma +3.92 mm (49). M, mitral; PG, periglomerular; G, granular cell layers. (aD and bD) Cerebellum. The Purkinje cell layer is indicated by arrowheads (▴). G, granule cell layer; M, molecular layer. (aE and bE) Striatal medium spiny neurons, coronal section as in A. Shown is unstained striatal fiber tract (stf). (aF and bF) Piriform cortex and amygdala, coronal section at bregma −1.58 mm (49). BLA, basolateral anterior amygdaloid nucleus; BM, basomedial amygdaloid nucleus; Ce, central amygdaloid nucleus; Pir, piriform cortex. (aG and bG) Thalamic nuclei, coronal section as in F. VPL, ventral posterolateral thalamic nucleus; VPM, ventral posteromedial thalamic nucleus. [Scale bars, 50 μm (aA and bA) and 100 μm (aB and bB–aG and bG).]