Sentences with phrase «mammary ductal»

Not exact matches

Growth and development of the mammary tissues begins at around weeks three and four of gestation, with specific ductal branching and lobular formation.

Secretion of the hormones estrogen and progesterone set the stage for dramatic changes that take place in the breast during pregnancy: a massive proliferation of mammary epithelial cells, and the formation of thousands of ductal structures, which support milk production and transport during lactation.

When BPTF is knocked out in mouse mammary stem cells early in pregnancy, however, there is a drastic decline in the number ductal structures (right side).

Most often, breast cancer arises from the mammary ducts (ductal) or milk - producing lobules (lobular), though other less common histology types were represented as well.

This period is characterized by rapid ductal growth and active proliferative activity of the mammary epithelium of Lob 1.