Arms In (video) Brown University Share Print E-Mail Loading video... Caption Volumes occupied by individual chromosome arms are significantly reduced in senescent cells (right). Credit Nicola Neretti/Brown University Usage Restrictions With credit. 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.