(1) Valvular stenoses of the bronchi and especially of the bronchioles in various types of primary pulmonary disease are of considerable importance etiologically.
(2) Na removal depolarized the smooth muscle membrane to a greater extent in the bronchiole than in the trachealis.
(3) The objective of this research was to determine the effects of viral bronchiolitis and pneumonia on postnatal bronchiolar and alveolar growth.
(4) Three had idiopathic pulmonary fibrosis, 2 had pulmonary emphysema, 1 had bronchiolitis and the other had a sequelae of pulmonary tuberculosis.
(5) (2) A negative inhalation test does not imply a pure emphysema with out peripheral airway disease, any more than it does irreversible bronchiolitis.
(6) We report 7 cases here of a more rare complication, that of bronchiolitis obliterans (BO).
(7) The lung biopsy specimen showed bronchiolitis, so histological findings were thought to be compatible with ventilatory function.
(8) The consequence of these derangements is often widespread plugging of small bronchi and bronchioles.
(9) We therefore conclude that the clinical management of bronchiolitis requires close monitoring of body wt and plasma osmolality-urinary osmolality relationship; serum sodium levels may be misleading.
(10) There were 116 children with bronchiolitis, 83 (72%) of whom had viral infections; the majority of these children (81%) had RSV infection.
(11) Nitric acid and elastase were injected into the tracheae of Wistar white rats and the effect of bronchiolitis on the pathogenesis of experimental emphysema and cor pulmonale was studied.
(12) The dendritic cells were initially described in lymphoid organs and have been recently shown in the normal human lung at the level of the bronchioles, preferentially in the peribronchiolar connective tissue and in the alveolar parenchyma.
(13) As the severity of the lesions increased so did the number of IgA-, IgG(Fc)- and in several cases non-immunoglobulin staining cells around the vasculature, bronchioles and in the alveolar septa.
(14) This case suggests that obstructive bronchiolitis with hypersensitivity pneumonitis is an etiologic factor of mediastinal emphysema.
(15) It was hypothesized that pathogenic Pasteurella spp and other microorganisms in nasal secretions transfer from the nasopharynx into the lungs by draining along the tracheal floor into ventral bronchi, bronchioles, and alveoli, and that pasteurella endotoxin, formed in infected lobules, thromboses and occludes lymphatics, capillaries, and veins and thereby causes ischemic necrosis.
(16) We studied 47 excised human lungs in order to examine the relationship between the number of alveolar attachments surrounding bronchioles 2 mm or less in diameter and the presence of small airways disease and overall lung function.
(17) Transbronchial biopsy revealed a lymphocytic bronchiolitis but no evidence of interstitial lung disease and a marked T-suppressor lymphocytosis was found on analysis of the bronchoalveolar lavage (BAL) specimen.
(18) Histamine hyperresponsiveness with viral bronchiolitis may depend on previous exposures to viruses or to other pathogens.
(19) None of the six ferritin-conjugated lectins showed higher binding in bronchioles compared to the bronchus, suggesting that a high level of surface oligosaccharides is not necessary for resistance to the metaplastic effects of HNE.
(20) Later alveolar septa between adjacent bronchioles became progressively thickened to produce lesions with similarities to human honeycombing.
Bronchus
Definition:
(n.) One of the subdivisions of the trachea or windpipe; esp. one of the two primary divisions.
Example Sentences:
(1) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
(2) The mean length of the right main bronchus was found to be 1.09 cm (range from 0 to 2.9 cm).
(3) The bronchi were involved more often than the trachea and the foreign body was located more frequently at the right bronchus (38 pt).
(4) On bronchogram and pulmonary arteriogram, the trachea and right bronchus were compressed and shifted with the anomalous origin of left pulmonary artery which originated from the right pulmonary artery and passed between the trachea and esophagus.
(5) Morphometric study of mouse bronchus-associated lymphoid tissue (BALT) using an image analyser and histological sections at close and regular intervals was carried out in lungs of control and influenza infected mice two to three months old.
(6) Biological activity has been determined on the rabbit pulmonary artery (RPA) and hamster trachea (HT) preparations, chosen as representative of the NK-2A and NK-2B receptor subtypes, respectively, and on the rabbit bronchus (RB), guinea-pig bronchus (GPB), human urinary bladder (HuUB), human ileum (HuI) and human colon (HuC) preparations to verify the previously described NK-2A character of these tissues.
(7) Radionuclide studies of regional perfusion and ventilation proved more sensitive and more specific than tests of overall lung function for the functional assessment and follow-up of patients with unresectable carcinoma of the bronchus.
(8) A defect was created in the thoracic trachea in nine piglets (10 kg) by excising a segment from the entire thoracic trachea proximal to the right upper lobe bronchus (3 to 3.5 cm in length) and 30% of the circumference in width (1 to 1.5 cm).
(9) Significantly increased standardized mortality ratios were determined for cancer of the trachea, bronchus, and lung for the entire cohort.
(10) In the middle lobe, a medial subsegmental bronchus of a lateral segmental bronchus and a superior and inferior subsegmental bronchus of a medial segmental bronchus are always located medial to the corresponding artery.
(11) In conclusion, obliteration of the inner margin of the central vein and the opacity that decreased the radiolucency extending to the peripheral side of the upper lobe bronchus are strongly suggestive of interlobar lymph node enlargement.
(12) Fatale haemoptysis occurred as a result of circumferential caustic erosion to the right intermediate bronchus caused by a tablet of ferrous sulphate which remained in contact for 4 days.
(13) Endothelin (ET)-like immunoreactivity (-LI) was detected in the human cardiopulmonary system, with the highest levels being found in the left anterior descending coronary artery, followed by the lung, right atrium, pulmonary artery, bronchus, pulmonary vein and left ventricle.
(14) The authors present the case of a patient with a carcinoid tumor of the left main bronchus.
(15) Aspiration of foreign material may lead to a localised lesion which simulates carcinoma of the bronchus both clinically and radiographically.
(16) Lobectomy with sleeve excision of the bronchus and the pulmonary artery was done in 3 patients, of which one had bilobectomy plus one segmentectomy with segmental bronchoplasty, lobectomy with wedge excision of the bronchus and the pulmonary artery in 2, lobectomy with wedge excision of the bronchus and sleeve excision of the pulmonary artery in 2, lobectomy with sleeve excision of the bronchus and wedge excision of the pulmonary artery in 1, and regular lobectomy with sleeve excision of the pulmonary artery in 1.
(17) Leiomyoma of the trachea and bronchus is a rare tumor.
(18) We report a case of inflammatory polyp in a male patient, which was totally obstructing the left main bronchus but could be removed by simple endoscopic traction.
(19) This study investigated the effects of neurokinin A (NKA) on cholinergic neural responses in human bronchus.
(20) Exclusion from external ventilation was performed in animal experiments by instillation of Ethibloc, an amino acid glue, in one main bronchus to create an atelectasis.