Credit: Lance Peterson, Matthew Hepworth, David Artis and Gregory Sonnenberg. Perelman School of Medicine, University of Pennsylvania
Innate lymphoid cells in the intestine of healthy mice. A histologic section of intestinal tissue isolated from healthy Rag1-deficient mice was stained to visualize innate lymphoid cells (RORgt-eGFP, green), intestinal epithelial cells (EpCAM, red) and nuclei (DAPI, blue).