(n.) A divice of gauze or wire, covering the mouth or nose, to prevent the inhalation of noxious substances, as dust or smoke. Being warmed by the breath, it tempers cold air passing through it, and may also be used for the inhalation of medicated vapors.
Example Sentences:
(1) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
(2) Four cytotoxic antibiotics, bikaverin, duclauxine, PSX-1 and vermiculine, were examined with respect to their interference with glycolysis and respiration and their possible ionophoric or cytolytic activity.
(3) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(4) Diphenoxylate-induced hypoxia was the major problem and was associated with slow or fast respirations, hypotonia or rigidity, cardiac arrest, and in 3 cases cerebral edema and death.
(5) The acute effect of alcohol manifested itself by decreasing mitochondrial respiration, compensated by increased glycolytic activity of the myocardium so that myocardial energy phosphate concentration remained unchanged.
(6) A relationship has been obtained experimentally to permit conversion of the counts to respirable mass concentrations.
(7) Studies with liver mitochondria prepared from lactating hexachlorophene-fed rats showed a 50-75% inhibition of respiration with succinate as substrate.
(8) and respirated with a pneumatic respiration pump and the parameters blood pressure, pH and blood gases (pO2, pCO2) were continuously recorded.
(9) The interactions of nitrous oxide with cytochrome c oxidase isolated from bovine heart muscle have been investigated in search of an explanation for the inhibition of mitochondrial respiration by the inhalation anesthetic.
(10) A sharp decrease in oxygen uptake occurred in Neurospora crassa cells that were transferred from 30 degrees C to 45 degrees C, and the respiration that resumed later at 45 degrees C was cyanide-insensitive.
(11) The degree of venous congestion in the lungs of patients with mitral stenosis varies with the phases of respiration.
(12) In this study, at first, the states of sleep and wakefulness in newborn infants (measured simultaneously by EEG, EOG, respiration and body movement) were compared with their heart rate patterns in rest, active, awake and unclassified phases.
(13) In this study we propose a method for the analysis of the relationship between heart rate changes and respiration as a possible diagnostic tool for cardiac autonomic damage.
(14) Respiration-related neurons were classified with respect to the correlation of their activity with the activity of the phrenic nerve: phase-bound inspiratory (I) and expiratory (E) neurones and phase-spanning expiratory-inspiratory and inspiratory-expiratory neurones were discriminated.
(15) Tests included recording the scalp EEG, visual and auditory cerebral evoked-potentials, the CNV, cerebral slow potentials related to certainty of response correctness in auditory discrimination tasks, heart rate, respiration and the galvanic skin response.
(16) The excited group had significantly lower pH, pCO2, and base excess values, but significantly higher pO2 values, rectal temperatures, and pulse and respiration rates.
(17) The experience of reflexotherapy of 86 patients showed its positive effect on the psychoemotional activities of patients with obesity, a rise of adaptation capabilities of the body under physical exercise, improved external respiration function, an increase in oxygen saturation of tissues, the stimulation of metabolism (by the basal metabolism findings) by way of increasing the secretion of hypophyseal tropic hormones, triiodothyronine and thyroxin, and potentiation of the time course of loss of body mass.
(18) Chemical control of respiration becomes less stable during the light stage of sleep, despite a reduction in chemoresponsiveness, due to a concomitant increase in "plant gain" (i.e., responsiveness of blood gases to ventilatory changes).
(19) It is supposed that the stimulating effect of lactate with NAD+ on the mitochondria respiration is not so much a result of the membrane-damaged action as a result of oxidation of lactate dehydrogenase reaction products: phosphorylative oxidation of pyruvate and nonconjugated oxidation of NADH.
(20) It is suggested that the presence of abnormal OORR in sleep apnea may reflect a basic defect in pontomedullary control of respiration during sleep.
Respiratory
Definition:
(a.) Of or pertaining to respiration; serving for respiration; as, the respiratory organs; respiratory nerves; the respiratory function; respiratory changes.
Example Sentences:
(1) In January 2011, the Nobel peace prize laureate was admitted to a Johannesburg hospital for what officials initially described as tests but what turned out to be an acute respiratory infection .
(2) Perinatal mortality is strongly associated with obstetrical factors, respiratory distress syndrome, and prematurity.
(3) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
(4) This diagnosis was obscured by the absence of cutaneous, oropharyngeal, and respiratory involvement.
(5) One thing seems to be noteworthy in their opinion: the bacterial resistance of the germs isolated from the urine is bigger than the one of the germs isolated from the respiratory apparatus.
(6) During the procedure, acute respiratory failure developed as a result of tracheal obstruction.
(7) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(8) Respiratory alteration in the intensity of heart sounds is one of the commonest auscultatory pitfalls.
(9) Febrile reactions were not distributed randomly among the patients; those with respiratory tract infection experienced more febrile reactions during periods with infection than during periods without.
(10) The reducing equivalents could be donated by formate or NADH through some segment of the membrane respiratory chain.
(11) These findings suggest that aerosolization of ATP into the cystic fibrosis-affected bronchial tree might be hazardous in terms of enhancement of parenchymal damage, which would result from neutrophil elastase release, and in terms of impaired respiratory lung function.
(12) The pathogenicity of Mycoplasma pneumoniae in atypical pneumonias can be considered confirmed according to the availabile literature; its importance for other inflammatory diseases of the respiratory tract, particularly for chronic bronchitis, is not yet sufficiently clear.
(13) No respiratory-distress syndrome of the newborn occurred when total amniotic-fluid cortisol was greater than 60 ng per milliliter (16 patients).
(14) We conclude that neuronal activities in the region of the retrofacial nucleus are important both in the integration of stimuli from the central chemoreceptors and in defining the discharge patterns of respiratory neurons.
(15) Peptidoglycan of MRSA grown in the presence of cefazolin was susceptible to lysis by respiratory mucus.
(16) The mitochondrial genome codes for 13 proteins which are located in the respiratory chain.
(17) Recurrent respiratory infections occurred in 17 (38%), and chronic recurrent middle ear effusions were noted in 33 (73%).
(18) The epidemiological effectiveness of dipyridamol, an interferon-inducing agent used for the prevention of influenza and viral acute respiratory diseases, was tested in 4 epidemiological trials, 3 of them carried out as double blind trials.
(19) Combined study of lungs of 85 foetuses and newborns of various gestational age and 8 newborns dying during the first month of life showed the lung surfactant (LS) system to develop in parallel with formation of respiratory parts and lung capillary network.
(20) The development of pulmonary edema in high-altitude residents with upper respiratory infections and no antecedent low-altitude journey is consistent with the presence of other factors such as inflammation, which may play a role in the pathogenesis of the edema.