Contents

03 March 2020
Vol 13, Issue 621

About The Cover

Cover image expansion

Online Cover This week features a Research Article that demonstrates that FGF9 and FGF10 activate distinct receptors and downstream signaling pathways in the developing mouse lung epithelium. The image shows a section through an embryonic mouse lung stained to show markers of proximal (SOX2, red) and distal (SOX9, green) epithelial cells. [Image: Yin and Ornitz/Science Signaling]