Nipple discharge that is not normal is bloody, comes from only one nipple, or comes out on its own without squeezing or touching the nipple. Nipple discharge is more likely to be normal if it comes out of both nipples or happens when the nipples are squeezed. Your nipple is made up of smooth muscle fibers, connective tissue and milk ducts (tubes that carry milk).

Understanding the Context

Each nipple has about nine small openings (orifices) where milk comes out. Now that you know a little bit more about the nipple, it’s time to get into the specifics. Below, we break down everything you need to know about the eight different types of nipples in the... The 8 Nipple Types in the World - Different Areola Sizes and Shapes Nipples come in a wide range of shapes, sizes, colors, and textures, and most of what people worry about falls well within normal.

Key Insights

There is no single “correct” appearance. The nipple is at the center of your breast and is linked to the mammary glands, where milk is produced. The areola is the darker-colored area around the nipple. Breast anatomy includes the nipple and areola on the outside, and milk ducts, lobes, lobules, lymph nodes, and vessels on the inside. Normal breasts can range in size, shape, appearance, and texture and may change throughout life.

Final Thoughts

A nipple is an erectile projection found on the breast or mammary region of the body. It surrounds the ducts of the mammary glands and, in gestating parents, plays a key role in breastfeeding.