Understanding Breast gland anatomy

The anatomy of the breast gland is divided into two parts, the outer anatomy and inner anatomy. Each part of the breast gland has a role in the feeding of breast milk for infants.

In women who have entered puberty, the breasts will be enlarged and more prominent. While in men, the shape of the breasts does not change much after puberty, although some men may experience hair growth on their chest and breasts.
Understanding Breast gland anatomy

Anatomy of the breast gland

The anatomy of breasts is quite complex. Although the size and shape of the breasts in each woman varies, this one body part is composed by the same structure. Based on its location, the anatomy of the breast gland is divided into two parts:

Anatomy of the outer breast

The anatomy of the outer breast consists of:


The areola is a circular area in the middle of the breast that is darker in color than the surrounding skin tone. During and after pregnancy, the diameter of the areola can enlarge and sometimes look darker.


The nipple is a round, small, and prominent part of the breast in the center of the areola. The size and shape of the breast nipple varies in each woman and man.

However, in general, the female breast nipples are larger and more dense than the male breast nipples. This is because the female breast nipple has several gaps that allow the BREAST milk to flow out of the mammary glands when it comes to breastfeeding.

Montgomery gland

The Montgomery gland is shaped like a small lump and is around the nipple and areola. This gland serves to produce a natural oil that can lubricate and moisturize the nipples and areola. The oil also serves to protect the breast skin from a germ infection.

Anatomy of the Inner breasts

The anatomy of the breast inside consists of:

Lobes and lobules

Female breasts normally have about 15 to 20 lobes. Each lobe consists of small parts called Lobules. A lobulus or breast gland is the place of breast milk.

Unlike the female breast gland, the breast gland in men does not have a lobulus, so it cannot produce breast milk.

Duktus (ASI-channel)

Lobules in the breast gland are linked to breast MILK or mamari duct. When breastfeeding, the breast milk produced by the lobules will flow through the channel and it rises in the nipple.

Glands and lymph vessels

In almost every part of the body, there are glands and lymph vessels that serve to produce and carry lymph fluid (lymphatic), no exception to the breast. Lymph fluid in the breasts is produced by the lymph nodes located in the armpits, the upper part of the collarbone, and the chest.

The lymph fluid contains immune-forming cells that serve to help the body fight infections.

Fatty tissues

Breasts contain fatty tissues that serve to help connective tissues and breast connectors in supporting and supporting the structure of the breasts. The more fat tissue in the breasts, the larger the breast size of a person.

In addition, the breasts also consist of blood vessels and nerves. Blood vessels serve to drain oxygen and nutrients into the breast gland, while the nerves allow the breasts to feel sensation and support the breastfeeding process.

Types of breast gland disorders

There are several types of disorders or diseases that can affect the breast gland, including:

  • Breast cancer.
  • Benign breast tumors, such as Papilloma Intraductal, fibroadenoma, granular cell tumors, and breast filodes tumors.
  • Breast cysts.
  • Mastitis.
  • Calcification of breasts.
  • Ektasia duct (BREAST obstruction).
  • Gynecomastia or enlarged breasts in men.

Disorders of the breast gland may cause some complaints, such as appearing bumps or swelling in the breasts, painful breasts, nipples attracted to the breasts, breast size changes, until the discharge of liquids or blood from Breast.

To determine the disturbance that befalls the breast gland and factors the cause, examination is required by the physician. In determining the diagnosis and finding out the cause, the doctor will conduct a physical examination and supporting examination in the form of blood tests, mammography, ULTRASOUND and CT scan of the breast, as well as biopsy.

How to maintain breast health

One of the ways that breast disorders can immediately be detected is to perform breast self-examination (NOTICE) on a regular basis every month, exactly 7-10 days after menstruation. If you notice any changes to the size or shape of the breasts, you are advised to have the complaint checked to the doctor.

Women over 45 years old are also advised to perform regular breast check-ups to the doctor once every 2 years.

Breast health can be guarded by wearing a bra that can support the breast well, but not too strict, and undergo a healthy lifestyle, such as eating nutritious food, exercising regularly, maintaining an ideal body weight, not Consume a lot of alcoholic beverages, and no smoking.

If you feel a lump, pain, or find any anomalness in your breast gland, immediately consult a doctor. After the examination is done, the doctor will determine the cause of the disorder in your breast and provide appropriate treatment.

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