micromazia

mi·cro·ma·zi·a

(mī'krō-mā'zē-ă), Condition in which the breasts are rudimentary and functionless. [micro- + G. mazos, breast]

micromazia

(mī-krō-mā′zē-ă) [Gr. mikros, small, + mastos, breast] Abnormally small size of the breasts.