Fallopian Tube (IMAGE) National Institutes of Natural Sciences Caption In the fallopian tubes of mice that have lost the Celsr1 protein, various polarity impairments covering multiple levels are observed. Credit © NIBB Usage Restrictions The image may only be used with appropriate credit. 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.