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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

1 passage

contentuptodate· Content· item f1_5_1104

©2013 UpToDate ® Print Email Breast development and milk lines Polymastia (supernumerary breasts) and polythelia (supernumerary nipples) may develop in males and females anywhere along the length of the mammary ridges (milk lines). Breast tissue may not develop (amastia) or there may be nipple development but no breast tissue (amazia).