Miranda Orr's lab (IMAGE) Atrium Health Wake Forest Baptist Caption In Orr’s lab, human brain tissues are labeled with fluorescent markers to visualize all cells (turquoise). The rare senescent cell population can be identified by using additional markers to visualize CDKN2D/p19 (white spots) and tau tangles (red). Credit Wake Forest School of Medicine Usage Restrictions none License Original 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.