Cypress Pollen Grains Observed in Scanning Electron Microscopy (2200X) (image) Hokkaido University Share Print E-Mail Caption Orbicules or "Ubisch bodies" (300 - 600nm granules), characteristics of Cupressaceae pollen, are visible on the surface of the exine (outer membrane). Credit Youcef Shahali / Colorization Jean-Marc Panaud, Institut Pasteur Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. Share Print E-Mail 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.