Dividing Cell (IMAGE) Johns Hopkins University Caption This computer-generated image depicts a rod-shaped microbe in the midst of dividing. A little-understood structure called a Z-ring pinches the midsection during the division process. Credit Ganhui Lan Usage Restrictions None 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.