macula densa cells (IMAGE) Keck School of Medicine of USC Caption The kidney contains macula densa cells (green/yellow), which orchestrate kidney regeneration. The circulating plasma is labeled white/gray, and all kidney cells are labeled by their production of genetically inserted green and red fluorescent proteins Credit Georgina Gyarmati, MD, PhD Zilkha Neurogenetic Institute 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.