... and the area dorsal to the substantia nigra in the midbrain reticular formation By immunostaining using monoclonal antibody against the N-terminus of the human relaxin-3 A- chain [2], relaxin-3-immunoreactive ... M Tanaka Relaxin-3 expression and function in the hypothalamus that relaxin-3 is abundant in the brain, but not in female reproductive tissue such as the ovary and uterus [1,6] By contrast, the ... hippocampus, hypothalamus, mammillary complex and amygdala, are involved in arousal mechanisms, including the synchronization and desynchronization of the theta rhythm [14,15] Recently, Ma et al...