Nuclear Membranes (IMAGE) Neural Regeneration Research Caption After acupuncture at Baihui (DU20) and Dazhui (DU14), clear nuclear membranes, abundant uniform ribosomes, a few vacuolar mitochondria, and lightly expanded rough endoplasmic reticulum were observable in at Baihui (DU20) and Dazhui (DU14). Arrows show nuclear membranes and mitochondria. Credit <i>Neural Regeneration Research</i> 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.