alveolar sac

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alveolar sac

anatomy

Learn about this topic in these articles:

aerosol clearance

In poison: Inhalation
The alveolar region has the slowest rate of particle clearance in the entire respiratory system, unless the particles are water-soluble, in which case they are cleared readily by dissolution. Water-insoluble particles in the respiratory bronchioles and alveoli are removed by cellular means, principally by macrophages—scavenger cells…
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pulmonary alveolus

In pulmonary alveolus
The alveoli form clusters, called alveolar sacs, that resemble bunches of grapes. By the same analogy, the alveolar ducts leading to the sacs are like the stems of individual grapes, but, unlike grapes, the alveolar sacs are pocketlike structures made up of several individual alveoli.
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respiration

In human respiratory system: Structural design of the airway tree
…tree end blindly in the alveolar sacs.
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