Terminal bronchiole bronchiolus terminalis NA6Īny of ☖ generations of purely conducting-i.e., nonrespiratory bronchioles-which connect rare direct connections between TBs and alveoli may be seen, known as Lamberth’s canals.The volumes and capacities listed here are normally determined using a spirometer! A traditional "bell spirometer" is a canister of water with an inverted canister bell over it with air space inside the invertedĬanister bell. Alveoli arise directly from the wall of RBs the most distal RB is histologically characterised by an air space lined on one side by respiraotory epithelium and on the other by alveoli. Respiratory bronchiole bronchiolus respiratorius MNA6Īny of 1–3 generations of ≤ 0.5-mm airways that connect terminal bronchioli to the alveolar ducts. In the distal BT, the respiratory epithelium becomes flatter, the ciliated cells fewer in number, the mucous glands less prominent and eventually disappear and, in the purely respiratory bronchioles, cuboidal nonciliated non-mucus-producing Clara cells appear. bronchiole A conducting airway which begins at the last cartilaginous plate and ends at the last ciliated epithelial cell bronchioli are any of 7–9 increasingly finer subdivisions of the bronchiolar tree (BT), measuring < 1 mm in diameter. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company.
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