The Motion of Human Male Gamete Cells (image) National Science Foundation Caption These images show, for the first time, that human male gamete cells swim primarily in four types of patterns. The insets show the front-view of the trajectories. Credit Ozcan Research Group at UCLA Usage Restrictions Credit must accompany image 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.