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Related to alveolar sacs: alveolus, alveoli
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  • noun

Synonyms for sac

Synonyms for sac

an enclosed space

a case or sheath especially a pollen sac or moss capsule

a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay


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References in periodicals archive ?
In detail, lung specimens were sectioned at 5 [micro]m for light microscopy and H&E staining was performed to investigate the number of alveolar sacs in a blinded fashion [23, 24, 30, 35].
Hematoxylin and eosin staining revealed that 5 days after ARDS induction, numbers of alveolar sacs, an index of lung parenchyma integrity, was the lowest in untreated ARDS, increased progressively and significantly across the ARDS + SW, ARDS + Mito, and ARDS + SW + Mito groups, and was the highest in the SC group.
The normal architecture of the lungs section showed numerous clear alveoli (A) and alveolar sacs (AS).
These included alveolus models comprising a single hemisphere attached to a duct (i.e., respiratory bronchiole) [11-16], an alveolar duct with multiple alveoli (i.e., alveolated duct) [17, 18], and space-filling-based models with honeycomb or polygonal structures (i.e., terminal alveolar sacs) [19-23].
4D) can be found in the proximities of the alveolar sacs of the two species of Amazonian cetaceans, a fact that resembles the study of Crespo & Lauria De Cidre (2005), who showed the presence of myoelastic sphincter distributed near the alveolar sacs of the lungs of Pontoporia blainvillei.
H & E staining (Figures 2(A)-2(C)) demonstrated that the number of alveolar sacs was significantly lower in group 2 than that in groups 1 and 3 and significantly lower in group 3 than in group 1 (Figure 2(D)).
Emphysema is defined in terms of anatomical changes to the distal, or peripheral, structures of the lungs, i.e., the terminal bronchioles, alveolar ducts, and alveolar sacs. Emphysema represents a pathological diagnosis involving permanent enlargement of alveoli.
These lead into alveolar sacs resembling bunches of grapes.
But then again, it may not; it may stick to a cell wall somewhere on the 200 [m.sup.2] or so of exposed tissue in Susan's alveolar sacs.