Development Special Issue on Organoids (IMAGE) The Company of Biologists Caption The front cover shows 3-D representation of an organoid grown from a single mouse mammary basal cell upon stimulation with prolactin. This organoid model, which recapitulates features of mammary tissue architecture (highlighted by F-actin and DAPI staining, blue) and function (milk protein, red), offers a versatile system for exploring tissue dynamics, cell fate and mechanisms of disease. Image from Jane E. Visvader's lab at The Walter and Eliza Hall Institute of Medical Research, Australia Credit © The Company of Biologists 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.