alveolus

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alveolus

(ălvē`ələs): see lungslungs,
elastic organs used for breathing in vertebrate animals, excluding most fish, which use gills, and a few amphibian species that respire through the skin. The word is sometimes applied to the respiratory apparatus of lower animals.
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alveolus

[al′vē·ə·ləs]
(anatomy)
A tiny air sac of the lung.
A tooth socket.
A sac of a compound gland.

alveolus

1. any small pit, cavity, or saclike dilation, such as a honeycomb cell
2. any of the sockets in which the roots of the teeth are embedded
3. any of the tiny air sacs in the lungs at the end of the bronchioles, through which oxygen is taken into the blood
References in periodicals archive ?
[20] simulated airflow in acinar models with honeycomb structures and reported recirculation inside the alveoli induced by oscillatory wall motions.
The number of these cells was much higher than that of the non-emphysematous areas, and these cells were localized into groups at the corners of the alveoli in the pulmonary epithelium (Figure 7).
The morphology of the cortical alveoli is an important parameter in fish grouping (Belova, 2008).
The disease process leads to accumulation of the lipoproteinaceous substances in the alveoli which compromise the gaseous exchange in the lungs.3,4
Biopsies were also evaluated for acute hemorrhage within alveoli, which was regarded as a procedural artifact.
During the three first months following tooth loss, the bucco-lingual or palatal dimension of alveoli reduces by nearly 30%, and after 12 months it loses at least 50% of its original amplitude.
Medial to the middle of the fifth pair of maxillary functional alveoli there is a small rounded pit bordering the maxilla-vomer suture (Figures 4 c and d).
Among the 5 variables taken for histopathological examination, dilatation of alveoli was seen in all the cases confirming the diagnosis of emphysema.