bronchiole

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bronchiole

any of the smallest bronchial tubes, usually ending in alveoli

bronchiole

[′bräŋ·kē‚ōl]
(anatomy)
A small, thin-walled branch of a bronchus, usually terminating in alveoli.
References in periodicals archive ?
Respiratory bronchioles have alveoli budding from their walls, the number of which increases distally.
1) The CAP criteria require "discrete foci of fibrosis in the walls of respiratory bronchioles associated with accumulations of asbestos bodies in histological sections.
Species with branching respiratory bronchioles between the terminal bronchiole and alveolar ducts have more complex acini.
In the original article of Myers et al, (1) the major pathologic finding was the presence of RB: clusters of slightly golden colored alveolar macrophages ("smoker's macrophages") in the lumens of respiratory bronchioles, alveolar ducts, and in the surrounding alveoli.
The pigment and birefringent particles in the walls of the respiratory bronchiole were primarily seen around the attendant pulmonary artery, but also extended into the peribronchiolar tissues and adjacent alveolar septal walls.
3] and PM, which are known to target respiratory bronchioles (Camner et al.
Alveolar Duct--The opening through which air passes between the respiratory bronchioles and the alveoli.
After the terminal bronchiole, the following seven generations of dichotomous divisions are called respiratory bronchioles and serve the gas-exchanging parenchyma consisting of budding alveoli.
1985) to evaluate airway wall fibrosis and airway wall muscle in the membranous bronchioles (MBs) and respiratory bronchioles (RBs).
Intriguingly, these vessels reside in proximity to the respiratory bronchioles, where the conducting zone, or anatomic dead space, transitions into the gas exchange region.
The 19th, 20th, and 21st are called respiratory bronchioles and are different from preceding bronchioles in that their epithelium changes form pseudostratified ciliated columnar to squamus, nonciliated.
The stellate lesions are small, discrete, and centered around respiratory bronchioles and adjacent small arteries, with intervening uninvolved lung parenchyma present.