If you're like many women, you may not know what breasts are made of. Understanding breast anatomy allows you to more fully comprehend how and why your breasts change and where abnormalities may occur.
Knowing the inner workings of your breasts is also very useful if you or someone you know are planning to breastfeed. If you are diagnosed with breast cancer, it is especially important for you to understand the makeup of your breasts.
The following information is provided to further your knowledge about the inner and outer structure of breasts. For additional information, visit our Web Resources.
Areola: The colored tissue that encircles the nipple.
Breast Density: Glandular tissue in the breast common in younger women, making it difficult for mammography to detect breast cancer.
Connective Tissue: The breast's framework to support lobes, lobules, and ductal systems.
Ducts: Channels that carry body fluids. Breast ducts transport milk from the breast's lobules out to the nipple.
Fatty Tissue: All breast areas that are not glandular or connective. Typically the size of a breast is determined by the ratio of fatty tissue to glandular tissue; increased fat content results in larger breasts.
Glandular Breast Tissue: Breast areas that include the lobes, lobules, and ductal systems.
Inframmary Fold: A ridge of fat that develops underneath the breast as it folds over itself.
Lobes, lobules, bulbs: Milk-producing tissues of the breast. Each of the breast's 15 to 20 lobes branches into smaller lobules, and each lobule ends in scores of tiny bulbs. Milk originates in the bulbs and is carried by ducts to the nipple.
Lymphatic system: The tissues and organs that produce, store, and transport cells that fight infection and disease.
Montgomery's Gland: Tiny glands on the areola
Nipple: Area in the center of the breast areola where the five to nine ductal systems each have an opening to secrete milk. Tiny muscles surrounding the nipple allow the area to contract or protrude in response to cold temperatures, suckling babies, or sexual activity.
Sebaceous Glands: Located on the breast nipple, these glands secrete tiny amounts of lubricating material.
Source: The National Cancer Institute
Knowing the inner workings of your breasts is also very useful if you or someone you know are planning to breastfeed. If you are diagnosed with breast cancer, it is especially important for you to understand the makeup of your breasts.
The following information is provided to further your knowledge about the inner and outer structure of breasts. For additional information, visit our Web Resources.
Areola: The colored tissue that encircles the nipple.
Breast Density: Glandular tissue in the breast common in younger women, making it difficult for mammography to detect breast cancer.
Connective Tissue: The breast's framework to support lobes, lobules, and ductal systems.
Ducts: Channels that carry body fluids. Breast ducts transport milk from the breast's lobules out to the nipple.
Fatty Tissue: All breast areas that are not glandular or connective. Typically the size of a breast is determined by the ratio of fatty tissue to glandular tissue; increased fat content results in larger breasts.
Glandular Breast Tissue: Breast areas that include the lobes, lobules, and ductal systems.
Inframmary Fold: A ridge of fat that develops underneath the breast as it folds over itself.
Lobes, lobules, bulbs: Milk-producing tissues of the breast. Each of the breast's 15 to 20 lobes branches into smaller lobules, and each lobule ends in scores of tiny bulbs. Milk originates in the bulbs and is carried by ducts to the nipple.
Lymphatic system: The tissues and organs that produce, store, and transport cells that fight infection and disease.
Montgomery's Gland: Tiny glands on the areola
Nipple: Area in the center of the breast areola where the five to nine ductal systems each have an opening to secrete milk. Tiny muscles surrounding the nipple allow the area to contract or protrude in response to cold temperatures, suckling babies, or sexual activity.
Sebaceous Glands: Located on the breast nipple, these glands secrete tiny amounts of lubricating material.
Source: The National Cancer Institute
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