Hair Cells in the Mouse Cochlea (IMAGE) Case Western Reserve University Caption The mechanosensory hair bundle, a highly organized (V-shaped) structure located on the apical surface of the hair cell, is composed of two or more height-ranked rows of stereocilia ("hair"). The destabilizing mutation CLRN1N48K causes loss of hair bundle integrity and hearing the mouse model. Credit Ruben Stepanyon, Ph.D., Case Western Reserve University School of Medicine 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.