Fig. 3From: Perinatal testosterone exposure is critical for the development of the male-specific sexually dimorphic gastrin-releasing peptide system in the lumbosacral spinal cord that mediates erection and ejaculationSemi-quantitative analyses of the effects on the spinal GRP system of the administration of flutamide to neonates. The number of GRP neurons (a) and the intensity of GRP-immunoreactive fibers (b) in the lumbosacral spinal cord. * P < 0.05 vs. controlBack to article page