Extra Nipples: Extra breast tissue or supernumerary nipples are a hereditary, genetically driven phenomenon. It may arise from abnormal embryological migration of tissue, or failure of programmed cell apoptosis.
Answered 3/15/2018
5.3k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question