Nourishing Interneurons (IMAGE) Johns Hopkins Medicine Caption This is an illustration of parvalbumin-expressing interneurons delivering lifesaving chemical messengers to newborn neurons via tentacle-like synapses. Credit Mingxi Max Song and Gerald Sun Usage Restrictions Permission required 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.