Normal Neuron (image) University of Arizona Caption A nerve cell showing its characteristic polarity: The cell body sends one long axon in one direction, while branch-like dendrites sprout in others. Credit Sara Parker/UA Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.