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Resting, Proliferating, and Lactating Mammary Gland

Resting Mammary Gland
  • Toggle Item
    Resting Mammary
    A: Fibrous interlobular tissue surrounds the gland

    B: Mammary gland with no colostrum in its lumen is named compound multicellular tubular exocrine gland

    C: Duct for the mammary gland
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    Resting Mammary 20X
    A: Dense interlobular fibrous connective tissue

    B: Myoepithelium is just deep to the secretory epithelium and just superficial to the basement membrane giving the glandular epithelium a stratified look

    C: Cuboidal glandular epithelium
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    Resting Mammary 40X
    A: Myoepithelium

    B: Glandular epithelium

    C: Fibrous interlobular tissue
Proliferating Mammary Gland
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    Proliferating 4X
    A: Secretory portion of the mammary gland is compound multicellular tubular alveolar

    B: Connective tissue, muscle, and adipose that is found in the breast between the glands
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    Proliferating 20X
    A: Cuboidal epithelium of the secretory portion of the mammary gland

    B: Colostrum is produced by the mammary gland
  • Toggle Item
    Proliferating 40X
    A: Secretory epithelium

    B: Colostrum
Lactating Mammary Gland
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    Lactating 4X
    A: Lactating mammary gland is compound multicellular alveolar exocrine gland is easy to distinguish from the proliferating by the amount of colostrum located in the lumen of the secretory portions of the gland. Each one is full.

    B: Connective tissue separates the glands

    C: Exocrine ducts are easy to see due to their long tubelike nature and the fact they are usually found in the middle of the gland
  • Toggle Item
    Lactating 20X
    A: Mammary gland

    B: Mammary gland duct

    C: Fibrous connective tissue
  • Toggle Item
    Lactating 40X
    A: Colostrum

    B: Secretory epithelium

    C: Interlobular tissue