bronchial tree


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bronchial tree

[′bräŋ·kē·əl ′trē]
(anatomy)
The arborization of the bronchi of the lung, considered as a structural and functional unit.
References in periodicals archive ?
Sputum and bronchial aspirate samples are upper bronchial tree samples, and BAL and bronchial mucosa are lower bronchial tree samples.
Below the epithelial layer is a spiralling layer of smooth muscle that grows thicker further down the bronchial tree, but is absent from the bronchioles.
On the asymmetry of bifurcations in the bronchial tree.
This structure is called the bronchial tree as it resembles an upside-down tree with the trachea as "trunk," bronchi as "branches," and bronchioles as "twigs.
The saliva, gastric juice, intestinal bacteria, blood, liver, epithelial lining fluid, pulmonary alveolar macrophages, peripheral lung parynchema, and bronchial tree have all been associated with eliminating Cr(VI) from the body.
The model, when completed, will represent the complete delivery process, from the medical device vapor release to its travel down a patient's bronchial tree and into the pulmonary artery.
Each lobe is supplied by branched airways called the bronchial tree, which branches to form right and left primary bronchi that again divide into secondary bronchi.
virtual bronchoscopy is virtual noninvasive imaging of the human bronchial tree.
Three-quarters of the youths also suffered centriacinar-region lung disease -- a condition characterized by chronic inflammation, and often structural aberations, in the smallest, terminal "twigs" of the bronchial tree.
During the next two decades, bronchoscopy (introducing an instrument into the bronchial tree via the locally anaesthetized throat, larynx, and trachea) became a significant technique because of the increasing incidence of cancer of the lung, for which this was for some time the most important tool in diagnosis.
Fibre-optic endoscopy showed copious bronchial red colour secretion in right bronchial tree, mucosa was unhealthy with black pigmentation and BAL was sent for analysis.
These symptoms led to a diagnosis of bilateral bronchial foreign body, which was confirmed by computed tomography three-dimensional reconstruction of the bronchial tree.