Confocal images of mouse mandibular molars showing immunofluorescence of amelogenin (green) and enamelin (red) at postnatal day 3. Co-localization of amelogenin and enamelin is revealed by overlapping signals resulting in yellow/orange staining. Nuclei are stained with DAPI (blue). Image taken by Postdoctoral Associate Victoria Gallon. Scale is 100 microns.