• ducts
  • Ductal" refers to the site of origin, the tiny ducts that form a network connecting the milk-producing structures called lobules. (harvard.edu)
  • lobules
  • Elevated prolactin levels have the direct effects of increasing secretory activity of breast lobules, maintaining tight junctions of the ductal epithelium, preventing involution of the breast gland after weaning and are known to stimulate the immune system, contributing to both physiological and pathological granulomatous lesions and non-caseating granulomas. (wikipedia.org)
  • tissue
  • In addition to its role in mediating ductal development, estrogen causes stromal tissue to grow and adipose (fat) tissue to accumulate, as well as the nipple-areolar complex to increase in size. (wikipedia.org)