1. Radon is a radioactive noble gas that comes from the decay of radium in the soil. Radium is also a daughter or progeny nuclide of uranium (the entire decay chain).Radon is a colorless, odorless, invisible gas that can only be detected through the use of proper equipment and protocols.. Radon is a radioactive noble gas that comes from the decay of radium in the soil. Radium is also a daughter or progeny nuclide of uranium (the entire decay chain).
Function. Although female breasts are considered sexual, the mammary glands are not part of the reproductive system of a female. The function of the mammary glands is to produce the motherâs milk in order to nourish the baby.
The mammary glands located in the breast are responsible for producing milk for a suckling baby following childbirth. Each gland consists of a series of lobules, or glands that produce milk. They connect to ductal lobes, which connect to the lactiferous ducts.ammary glands and ducts are also important in gauging the stage of a womanâs breast cancer. Staging depends on where the cancer is located and what areas are affected. 1  Ductal carcinoma refers to cancer in the milk ducts. 2  It is the most common form of breast cancer.