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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.
A mammary alveolus (pl.: alveoli, from Latin alveolus, "little cavity") is a small cavity or sac found in the mammary gland. [1] [2] Mammary alveoli are the site of milk production and storage in the mammary gland.
Breast duct endoscopy is a method used to examine the lining of the lactiferous ducts to look for abnormal tissue. A very thin, flexible, lighted tube attached to a camera is inserted through the nipple, and threaded into the breast ducts deep in the breast. Tissue and fluid samples may be removed during the procedure.
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 ...
Terminal end buds (TEBs) are highly proliferative structures at the ends of elongating lactiferous ducts which are involved in development of the mammary glands. [1] TEBs are responsible for the formation of the mammary ductal tree during female puberty. [1]
A male breast. The human areola (areola mammae, / ə ˈ r iː ə l ə / [1] [2] or / ˌ ær i ˈ oʊ l ə / [2] [3]) is the pigmented area on the breast around the nipple.More generally, an areola is a small circular area on the body with a different histology from the surrounding tissue, or other small circular areas such as an inflamed region of skin.
Central duct excision is the surgical removal (excision) of all lactiferous duct under the nipple. The excision of a single duct is called microdochectomy , a mere incision of a mammary duct (without excision) is microdochotomy .
The intercalated duct, also called intercalary duct (ducts of Boll), is the portion of an exocrine gland leading directly from the acinus to a striated duct. The intercalated duct forms part of the intralobular duct. This duct has the thinnest epithelium of any part of the duct system, and the epithelium is usually classified as "low" simple ...