Isoprenaline exerts its effects by relaxing the smooth muscle tissues lining the finely branched tubular network of bronchioles that surround the lungs.
Weak immunoreactivity for NOS2 in the normoxia plus saline group was present in bronchiolar and vascular smooth muscle, bronchiolar epithelium, and Clara cells.
Ecsod can be detected in the arterial intima, media, bronchiolar epithelium, alveolar epithelium, and extracellular matrix of human neonatal lung.
The BO was manifested as branching tongues of myxoid fibrous tissue in respiratory bronchioles and alveolar ducts.
Not to be confused with bronchitis, bronchiolitis (pronounced: brahn-kee-oh-lie-tus) is an inflammation of the bronchioles , the smallest branches of the bronchial tree.
In addition, diagnostically important small structures, such as interlobular septa and distal arterioles and bronchioles , are not visualized.
There is mucous metaplasia, enlargement of the mass of bronchiolar smooth muscle, and loss of alveolar attachments.
We hypothesize that our patient's severe acid reflux led to acute and chronic bronchial and bronchiolar inflammation, which caused the progressive decline in his pulmonary function.
The bronchi and bronchioles did not show epithelial changes, and the pulmonary arteries and arterioles were normal in appearance.
Large continuous masses of eosinophils were situated within the extracellular matrix, beneath the bronchiolar smooth muscle layer.