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  2. Lactiferous duct - Wikipedia

    en.wikipedia.org/wiki/Lactiferous_duct

    Lactiferous ducts are ducts that converge and form a branched system connecting the nipple to the lobules of the mammary gland.When lactogenesis occurs, under the influence of hormones, the milk is moved to the nipple by the action of smooth muscle contractions along the ductal system to the tip of the nipple.

  3. Mammary gland - Wikipedia

    en.wikipedia.org/wiki/Mammary_gland

    A mammary gland is an exocrine gland in humans and other mammals that produces milk to feed young offspring.Mammals get their name from the Latin word mamma, "breast".The mammary glands are arranged in organs such as the breasts in primates (for example, humans and chimpanzees), the udder in ruminants (for example, cows, goats, sheep, and deer), and the dugs of other animals (for example, dogs ...

  4. Breast cancer - Wikipedia

    en.wikipedia.org/wiki/Breast_cancer

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. Cancer that originates in mammary glands Medical condition Breast cancer An illustration of breast cancer Specialty Surgical Oncology Symptoms A lump in a breast, a change in breast shape, dimpling of the skin, fluid from the nipple, a newly inverted nipple, a red scaly patch of skin on ...

  5. Invasive carcinoma of no special type - Wikipedia

    en.wikipedia.org/wiki/Invasive_carcinoma_of_no...

    The appearance of cancer cells under a microscope is another predictor of systemic spread. The more different the cancer cells look compared to normal duct cells, the greater the risk of systemic spread. There are three characteristics that differentiate cancer cells from normal cells. Tendency to form tubular structures

  6. Mammary ridge - Wikipedia

    en.wikipedia.org/wiki/Mammary_ridge

    The mammary ridge is primordial for the mammary glands on the chest in humans, and is associated with mammary gland and breast development.. In human embryogenesis, the mammary ridge usually appears as a narrow, microscopic ectodermal thickening during the first seven weeks of pregnancy and grows caudally as a narrow, linear ridge. [1]

  7. List of breast cancer cell lines - Wikipedia

    en.wikipedia.org/wiki/List_of_breast_cancer_cell...

    Scientists study the behaviour of isolated cells grown in the laboratory for insights into how cells function in the body in health and disease. Experiments using cell culture are used for developing new diagnostic tests and new treatments for diseases. This is a list of major breast cancer cell lines that are primarily used in breast cancer ...

  8. Prolactin - Wikipedia

    en.wikipedia.org/wiki/Prolactin

    Progesterone upregulates prolactin synthesis in the endometrium but decreases it in myometrium and breast glandular tissue. [47] Breast and other tissues may express the Pit-1 promoter in addition to the distal promoter. Oct-1 appears able to substitute for Pit-1 in activating the promoter in breast cancer cells. [45]

  9. Desmoplasia - Wikipedia

    en.wikipedia.org/wiki/Desmoplasia

    The heterogeneity of tumor cancer cells and stroma cells combined with the complexities of surrounding connective tissue suggest that understanding cancer by tumor cell genomic analysis is not sufficient; [4] analyzing the cells together with the surrounding stromal tissue may provide more comprehensive and meaningful data.