Plasmodesmal Channels (image) University of Delaware Share Print E-Mail Caption These are plasmodesmal channels on a leaf of the Arabidopsis plant, a member of the cabbage family. Fluorescence imaging shows callose deposits, which close off the channel when cut. Credit University of Delaware Usage Restrictions None 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.