bronchiole

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  • noun

Words related to bronchiole

any of the smallest bronchial ducts

References in periodicals archive ?
Anomaly or loss of this surfactant is ended up with micro atelectasis in alveoli and respiratory bronchioles (Holm et al.
Diameter and smooth muscle area of bronchioles. To measure the diameter of the bronchioles, two perpendicular diameters were drawn, and then the average of these values was drawn.
(61) None of the exposures utilized by Morgan caused lesions or injuries to the bronchioles of the study animals.
Centrilobular/peribronchiolar fibrosis consists of fibrosis that spreads through the interstitium adjacent to, and extending away from, the bronchioles (Figures 2, A; 3; and 4, A).
(e, f) Bronchioles entrapped within and at the periphery of the tumor.
The airway bifurcates repeatedly, and the airways from the 1st to the 4th generations are called bronchi, those from the 5th to the 16th generations are bronchioles, those from the 17th to the 19th are respiratory bronchioles, and those from the 20th to the 23rd generations are alveolar ducts and sacs.
Non-CF BE is a severe, chronic and rare disease characterized by abnormal dilatation of the bronchi and bronchioles, frequently associated with chronic lung infections.
In the Group I, the initial development of the bronchi and bronchioles was observed in the lung parenchyma, which were surrounded by abundant fetal mesenchyme and blood vessels (Figures 2A2C), typical characteristics of the pseudoglandular stage.
These pathogens are not acquired through the inhalation of mycelium, as explained in the article; the infecting structures correspond to hyphae fragments and principally microconidia (2-4 mm) that reach the pulmonary bronchioles and alveoli (3).
The study did not indicate whether asthma, which is the result of inflammation in the bronchioles of the lungs, also contributes to increased inflammation in the blood vessels.
The two most common conditions that make up COPD are chronic bronchitis and emphysema, which gradually destroys the smallest air passages (bronchioles) in the lungs.
In the control mice, influenza virus infection resulted in severe inflammation of the bronchioles and appeared to be flooded and surrounded with inflammatory cells.
Specimens of lung tissue of the two groups were taken and prepared for light microscopic examination.Result: Structural changes were found in the experimental (5-fluorouracil) group compared to the controls, including abnormal alveolar duct, sac, and terminal bronchioles with emphysematous changes in most of the alveoli in addition to peribronchiolitis, perivasculitis, inflammatory cells infiltration and interstitial fibrosis.Conclusion: 5-fluorouracil has toxic effects on the lung tissue resulting in emphysema and interstitial fibrosis.Keywords: 5-fluorouracil, Rat, Lung, Emphesema, Interstitial fibrosis
First, nicotine seems to trigger the nervous system to cause contraction of the bronchi and bronchioles, the little tubes through which air should whistle happily on its way to the oxygenexchanging areas of the lung.