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 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.