| lobules of breast |
Subdivisions of the lobes of the mammary glands. They are composed of multiple alveoli surrounding tiny ducts that secrete breast milk components. The lactiferous ducts are formed from the merging of the secretory ducts from se
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| lobules of lung |
Physiological units of the lung consisting of a respiratory bronchiole and its branches (alveolar ducts, alveolar sacs, and alveoli). SYN: primary pulmonary lobule .
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