菲主流 - The female breast is mostly made up of glandular tissue and adipose tissue Hormones that affect breast develpment : Estrogen: Accelerate the growth and branching of the ductal duct system

The hormonal physiology of immune components in breast milk and their impact on the infant immune response - ScienceDirect

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15.2 Anatomy and Physiology of the Female Reproductive System – Fundamentals of Anatomy and Physiology

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90 YEARS OF PROGESTERONE: Progesterone receptor signaling in the normal breast and its implications for cancer in: Journal of Molecular Endocrinology Volume 65 Issue 1 (2020)

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