bronchiole

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bronchiole

any of the smallest bronchial tubes, usually ending in alveoli
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

bronchiole

[′bräŋ·kē‚ōl]
(anatomy)
A small, thin-walled branch of a bronchus, usually terminating in alveoli.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Thickening of alveolar septa is seen (Red arrows), as well as chronic inflammation in bronchiolar wall (Arrow head) (H&E, 10x)
Vascular congestion, epithelial loss and hyaline membrane formation, degenerations and necrosis in bronchiolar and alveolar cell walls, thickening in interalveolar septum, congestion in capillary walls, mononuclear cell infiltrations can be observed with light microscope (Odabasi,D.2006; Schnells et al.
Five days after inhalation, WD large bronchiolar inflammatory infiltration was observed and consisted of more than 100 layers of cells (Photo 2a).
At all time points, scattered immunopositive bronchiolar epithelial cells were observed (arrows).
However, unexpectedly, the results showed that TAZ expression in fibroblasts and bronchiolar cells was significantly lower in fibrotic type versus cellular type [Figure 1]a and [Figure 1]b.
Toxicokinetics affecting concentrations at the bronchiolar epithelium substantially drive the risk of bronchiolitis obliterans from irritant gases.
Pathologically, cryptogenic organizing pneumonia was defined by the presence of granulation tissue in the bronchiolar lumen, alveolar duct, and some alveoli, associated with a variable degree of interstitial and air space infiltration by mononuclear cells and foamy macrophages [1-3].
The entrapped bronchiolar epithelium was highlighted by AE1/AE3 (Figure 5(i)).
In all WT mice exposed to NA inhalation, airway epithelial cell necrosis was clearly visible in the lung using high-resolution light microscopy, at both time points after termination of exposure, with partial detachment of Club (Clara) cells from the bronchiolar epithelium.
Babb and Rodarte [24] have reported that mean bronchiolar diameter decreases after the age of 40.
The recently defined receptor for MERS-CoV, dipeptidyl peptidase 4 (DPP4), is generally expressed in endothelial and epithelial cells and has been shown to be present on cultured human nonciliated bronchiolar epithelium cells, providing further information on the respiratory tropism of MERSCoV [2].
The lymphocytes infiltrated bronchiolar epithelium forming well-defined lymphoepithelial lesions.