In breast lactiferous ducts are formed under the influence of which hormone?: (A) Estrogen, (B) Progesterone, (C) LH, (D) FSH
Answer is A. Lactiferous ducts are one of the ducts, numbering 15-20, which drain the lobes of the mammary gland; they open at the nipple.Ref: Ganong&;s review of medical physiology; 24th edition; page no: 416