Map of a PVD Neuron (IMAGE) North Carolina State University Caption A section of the PVD neuron of an aged C. elegans, showing beads throughout the neuron. The beads give researchers information on degeneration of the neuron. The image was made using fluorescence microscopy. Credit Adriana San Miguel, NC State University Usage Restrictions Credit must be given. 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.