In the first half of pregnancy secretory differentiation (the differentiation of alveolar epithelial cells into milk - secreting cells), ductal branching and
lobular formation of the breast (mammogenesis) occur.
Growth and development of the mammary tissues begins at around weeks three and four of gestation, with specific ductal branching and
lobular formation.
Not exact matches
The effects of estrogen and progesterone facilitate the
formation of the characteristic structure of the adult breast, which is the terminal duct
lobular unit.