Nucleus Tractus Solitarii Damage (image) Neural Regeneration Research Caption Nucleus tractus solitarii damage is shown by hematoxylin-eosin staining. Arrows indicate nucleus damage (block of nerve conduction, caused by the induced damage). Credit Neural Regeneration Research Usage Restrictions None 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.