Growing Outward (image) Rockefeller University Share Print E-Mail Caption One of the two proteins, Sox4 (magenta), appears at the outer edge of the developing utricle, and occasionally within the nuclei of new hair cells (green). Proliferating support cells, which in some cases become hair cells, appear in white. Credit Laboratory of Sensory Neuroscience at The Rockefeller University/PNAS Usage Restrictions Image may only be used to illustrate research described in the accompanying release. 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.