Skin Cell Electron Tomogram (IMAGE) European Molecular Biology Laboratory Caption This 3-D reconstruction of a human skin cell was produced by electron tomography and shows organelles in different colours: regions of cell-cell contact (sandy brown), nucleus and nuclear envelope (blue) with pores (red), microtubules (green), mitochondria (purple), endoplasmic reticulum (steel blue). Credit Achilleas Frangakis EMBL 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.