Nails are protective plates at the tips of the fingers and toes. They are from a protein called keratin. Some anatomical structures of the nails include cuticles, mantles, nail beds, nail plates, and ...

The breasts lie on top of the chest wall and over the pectoral muscles. They contain glands, lobules, fatty tissue, and other structures. Milk ducts lead to the nipples, which are surrounded by a ...