Credit: Lance Peterson, Theresa Alenghat, and David Artis. Perelman School of Medicine, University of Pennsylvania.
A histologic section of intestinal tissue isolated from healthy mice stained to visualize intestinal epithelial cells (EpCAM, red), including Paneth cells (Lysozyme, magenta), as well as immune cells (CD45, green). Nuclei are stained with DAPI (blue).