Clytia Striated Muscle (image) University of Vienna Share Print E-Mail Caption This is a close-up onto the striated (red, horizontal) and smooth (red, vertical) muscle cells of the hydrozoan jellyfish Clytia hemisphaerica. Cell nuclei are colored in blue. Credit Johanna Kraus Usage Restrictions Please note the Copyright 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.