Mammary example sentences

Progesterone plays a major role in the maintenance of pregnancy as well as in mammary gland development and lactation.In females, it stimulates a vigorous contraction of uterus at the time of child birth, and milk ejection from the mammary gland.Prolactin regulates the growth of the mammary glands and formation of milk in them.Progesterone also acts on the mammary glands and stimulates the formation of alveoli (sac-like structures which store milk) and milk secretion.