Ectodermal appendages such as feathers, hair, mammary glands, salivary glands, and sweat glands form branches, allowing much-increased surface for functional differentiation and secretion. Here, the principles of branching morphogenesis are exemplified by the mammary gland and feathers. © 2014 Elsevier Inc.
Chuong, C. M., Bhat, R., Widelitz, R. B., & Bissell, M. J. (2014, August 28). SnapShot: Branching morphogenesis. Cell. Cell Press. https://doi.org/10.1016/j.cell.2014.08.019