H/E x100

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x200

The breast or mamma has numerous secretory alveoli from which milk is secreted. Milk is then passed into interlobular ducts and then to lactiferous ducts. Mamma is arranged in lobules like the  liver and pancreas.

Differential diagnosis: Breast or mammary gland can be confused with organs which have secretory holes such as breast (alveoli), kidney (tubules) and pancreas (acini). Pancreas has distinct islets, kidney has glomeruli and the acini are pinkish staining in the pancreas.

Ultrastructure
Histology
Embryology
Gross anatomy