Expression (IMAGE) Neural Regeneration Research Caption This is the expression of neuropeptide Y and leptin receptor in the arcuate nucleus of rats by confocal imaging. "3V" indicates the third ventricle of the cerebrum. Scale bars: 50 μm. Credit <i>Neural Regeneration Research</i> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.