(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.
Tracheotomy
Definition:
(n.) The operation of making an opening into the windpipe.
Example Sentences:
(1) Children with tracheotomy tubes are frequently cared for by nurses in critical care settings, as well as on general patient care units.
(2) The risk factors were: duration of urinary or vascular catheterization, tracheal intubation, tracheotomy and artificial ventilation.
(3) The only incidents seen were related to the lack of tracheotomy: subcutaneous oedema of the neck during the postoperative period in eight patients and moderate tracheobronchial congestion in five patients.
(4) Nevertheless, the right vocal cord mobility, driven only by the right superior laryngeal nerve, was enough to secure an adequate airway without the need for a tracheotomy.
(5) Electromyographic activity of the CT and right posterior cricoarytenoid muscle was monitored in anesthetized cats during tracheotomy breathing and in response to tracheal or upper airway occlusion in the intact animal.
(6) Tracheotomy in children has two main fields of indication: 1) obstructions of the upper respiratory tract, the main cause being today the post-intubation stenosis; 2) long term mechanical ventilation.
(7) We reviewed 265 rigid bronchoscopies performed in 50 children with tracheotomy-dependent subglottic stenosis (25 congenital, 25 acquired).
(8) Only three patients had complications linked to the tracheotomy, complications which were the cause of the death of two of them.
(9) After multiple childhood laryngoscopies and a tracheotomy, a 54-year-old, 30-pack per year smoker, who had never received radiation therapy, developed a florid exophytic transglottic squamous cell carcinoma.
(10) Disadvantages include the propensity for excessive mucus production (needing tracheotomy), the requirement for an abdominal operation, and the possibility of peptic ulceration (no case reported in the literature).
(11) The efficiency of this method has been proven and it is a method that must be preferable to tracheotomy.
(12) Granulomas treated after mucosal trauma (tracheotomy, foreign body).
(13) Discharging a child home with a tracheotomy is a process that involves many people.
(14) A translaryngeal tube can be converted to a tracheotomy safely in burn victims; tracheotomies are easier to manage if burns of the neck are excised and grafted prior to placement.
(15) The association of these disorders with severe laryngeal injury should lead to consideration of earlier tracheotomy in such patients.
(16) Three of the infants with respiratory failure required tracheotomy.
(17) (5) The importance of temporary intubation to relieve respiratory obstruction in infants is stressed, while the significant laryngeal damage following prolonged intubation and delayed tracheotomy is apparent.
(18) Eighteen patients treated by nasotracheal intubation were devoid of sequelae, whereas of six patients in whom tracheotomy was performed, one developed an ugly scar and two had slight tracheal stenosis at the tracheostomy site.
(19) The main advantages and purposes of the AO approach are early active pain-free functional movement; avoidance of intermaxillary fixation; safe, secured airways without tracheotomies, especially in polytraumatized patients; and shorter periods of hospitalization.
(20) Tracheotomies for children with CNS disorders and craniofacial anomalies are relatively more frequent.