(n.) One of the respiratory tubes of insects and arachnids.
(n.) One of the large cells in woody tissue which have spiral, annular, or other markings, and are connected longitudinally so as to form continuous ducts.
Example Sentences:
(1) Aplasia of the trachea associated with multiple congenital anomalies is described in a stillborn male foetus with single umbilical artery.
(2) This was worsened by the right side compression of trachea end part, due to the abnormal left pulmonary artery as demonstrated by pulmonary angiography.
(3) Tracheal mucus transport rate (TMTR) and quantitative clearance of aerosolized Escherichia coli from the trachea, lung, and air sac were measured in healthy unanesthetized turkeys and in turkeys exposed by aerosol to a La Sota vaccine strain of Newcastle disease virus (NDV).
(4) Defects in the posterior one-half of the trachea, up to 5 rings long, were repaired, with minimal stenosis.
(5) Haemodynamic changes (supraventricular tachycardia, decreases in arterial pressure) were observed during laryngoscopy and intubation of the trachea in a patient receiving nifedipine and verapamil.
(6) General anaesthesia with apneic oxygenation may offer the ENT surgeon increased possibilities of exploration and operation at the level of the larynx and trachea, but owing to its biological consequences, it should be used only with circumspection and its indications should be totally justified, for acts of limited duration.
(7) Replacement of bath Na+ by choline decreased the PD of tracheas by 85% but did not change alveolar PD in the presence or absence of bumetanide.
(8) Compared to related compounds, N-nitrosobis(2-hydroxypropyl)amine and N-nitrosobis(2-acetoxy-propyl)amine which are also pancreatic carcinogens, BOP induced only a few neoplasms of the lung, liver, and kidney and none in the nasal cavity, larynx, and trachea.
(9) Experiments were conducted in a group of pigs to determine the ontogeny of antigen specific IgA in the trachea.
(10) Although they were born at different periods of the year, the calves in all three groups had similar bacterial loads in their noses and tracheas when they were 1 day old (P greater than 0.05).
(11) In one patient, a minitracheostomy tube perforated the posterior wall of the trachea, resulting in pneumomediastinum.
(12) The trachea and the bronchial tree (first through seventh order branches) both synthesized alpha1(II) chains.
(13) The respiratory functions of the oropharynx, larynx, and trachea of normal human fetuses in utero were explored by means of real-time, two-dimensional ultrasonography combined with color-flow and spectral Doppler analysis.
(14) The blood flow contributions and drainage patterns of the pulmonary and systemic circulations in the upper airways (trachea and main bronchi) were assessed in anesthetized dogs by injecting 15-micron radiolabeled microspheres into the right and left heart, respectively.
(15) There were no differences between boys and girls until age 14, when girls' tracheas stopped growing.
(16) The bronchi were involved more often than the trachea and the foreign body was located more frequently at the right bronchus (38 pt).
(17) In contrast, the cat trachea was unresponsive to histamine and prostaglandin F2alpha and did not exhibit an intrinsic tone.
(18) All four requirements were experimentally verified in calf trachea.
(19) Magnetic resonance (MR) imaging of the trachea was performed in twenty-one children with congenital or acquired narrowing of the trachea or main bronchi.
(20) Exposure to 5000 ppm SO2 rapidly caused death in all birds with cannulated tracheae and in 4 of 5 birds with an intact respiratory system; one bird in each series of experiments died when exposed to 1000 ppm.
Tracheoscopy
Definition:
(n.) Examination of the interior of the trachea by means of a mirror.
Example Sentences:
(1) Diagnostic procedures of choice were tracheoscopy and magnetic resonance imaging, which offers representative images of inspiration and expiration, shows the anatomical relations between aortic arch and trachea and reveals the extent of tracheal compression.
(2) Fiberoptic tracheoscopy immediately after the performance of minitracheostomy revealed the position of the cannula in both cases.
(3) The instruments are also ideal for cervical tracheoscopy and mediastinoscopy.
(4) In fact, the key examination is tracheoscopy providing that catheterisation of the fistula.
(5) The results obtained show that a hypertensive-tachycardiac response to direct laryngo-tracheoscopy could not be prevented in any of the groups under investigation.
(6) The emergency tracheoscopy dislodged a mass from the trachea, which turned out to be a Kaposi's sarcoma on histology.
(7) 13 children of all age groups, suffering from a respiratory insufficiency, and treated with a sewed-up-tracheostoma, were examined by tracheoscopies in regular intervals.
(8) The diagnosis of this rare anomaly is suspected on radiological and echocardiographic grounds and confirmed by oesophagography, tracheoscopy and angiocardiography.
(9) The technique permits tracheoscopy during ventilation and operation, thus enabling exact location of the stenosis to be obtained.
(10) In addition, various diagnosing methods have been employed to determine the degree of invasion in advanced cancer patients, such as CT scan for observing invasion of the surrounding tissues, naso-tracheoscopy for invasion of the trachea and a flow meter for vascular tracts.
(11) By means of corrosive, injection and tracheoscopy methods venous formations of the brain have been studied in 19 species of birds--endemical for Far East--from 12 orders.
(12) It was also seen by tracheoscopy, but this part of the trachea was not pulsating.
(13) Tracheoscopy confirmed maintenance of tracheal lumen diameter and integrity of the mucosal epithelium in all dogs.
(14) The correct position and possible complications could be verified only by fibreoptic tracheoscopy.
(15) Follow-up tracheoscopy 3 months later showed a residual stenosis of 20% within the anastomotic region, and the patient was free of symptoms.
(16) Tracheoscopy is the most important examination for arriving at the diagnosis.
(17) The follow-up studies --autopsy, clinical examination and tracheoscopy--demonstrate a very low complication rate, due to the technique of tracheostomy, the preferred tracheostomy tubes and the method of alternate low-pressure cuff-blocking.
(18) Diagnosis of ruptured trachea was made by tracheoscopy and radiography.
(19) The diagnosis of "oesophago-trachea" was finally confirmed by laryngo-tracheoscopy.
(20) The diagnosis is made by tracheoscopy and esophagal contrast study.