Ductus papillaris

Ductus papillaris is a term used in the field of Anatomy and Histology to describe a specific structure found in the Mammary glands. The ductus papillaris, also known as lactiferous duct, is responsible for transporting milk from the lobules, where it is produced, to the nipple.

Structure

The ductus papillaris is a component of the Mammary gland structure. Each mammary gland is divided into 15 to 20 lobes, each of which is composed of many smaller lobules. The ductus papillaris originates from these lobules and extends to the nipple.

File:Ductus papillaris.jpg

Illustration of the Ductus papillaris

Function

The primary function of the ductus papillaris is to transport milk from the lobules, where it is produced, to the nipple. This process is facilitated by the contraction of the surrounding myoepithelial cells, which squeeze the gland to push the milk out.

Clinical significance

Abnormalities in the ductus papillaris can lead to various medical conditions. For instance, Intraductal papilloma is a benign tumor that forms in the ductus papillaris. This condition can cause nipple discharge and is often detected through mammography.

See also

• Mammary gland
• Intraductal papilloma