Marginal Leaflet Transections (IMAGE) Pensoft Publishers Caption This is a collection of microscope images of marginal leaflet transections used in the new Key. Credit Larry R. Noblick Usage Restrictions CC-BY 4.0 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.