Primary Cilia in Human Cartilage Cells (IMAGE) Queen Mary University of London Caption The cilia are the thin hair-like structures only a few 100th of a millimeter long and labelled red in these images. The nucleus of each cell is labelled blue. The green shows an intracellular structure at the base of each cilium called the basal body. Image made by Confocal Microscopy. Credit Queen Mary University of London (QMUL) Usage Restrictions Please credit Queen Mary University of London (QMUL) when using the image 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.