Limiting Stroke Damage is Focus of Study (IMAGE) Medical College of Georgia at Augusta University Caption Image of a healthy neuron (tagged control) and a neuron following a simulated stroke (tagged ischemia). Communication arms of the neuron, called dendrites, are beaded following stroke, a indicator of damage caused by the lack of oxygen and glucose. Credit Phil Jones 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.