Nucleus Gigantocellularis Neurons (image) Rockefeller University Share Print E-Mail Caption Researchers believe that large cells called nucleus gigantocellularis neurons, pictured here, modulate blood flow by releasing nitric oxide. Credit Laboratory of Neurobiology and Behavior at The Rockefeller University Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. Share Print E-Mail 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.