(n.) A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96.
(n.) Chlorine used in bleaching.
Example Sentences:
(1) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
(2) It is concluded that amlodipine reduces myocardial ischemic injury by mechanism(s) that may involve a reduction in myocardial oxygen demand as well as by positively influencing transmembrane Ca2+ fluxes during ischemia and reperfusion.
(3) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
(4) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
(5) The data indicate that ebselen is likely to be useful in the therapy of inflammatory conditions in which reactive oxygen species, such as peroxides, play an aetiological role.
(6) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(7) Microelectrodes were used to measure the oxygen tension (PO2) profile within individual spheroids at different stages of growth.
(8) However, time in greater than 21% oxygen was significantly longer in infants less than 1000 g (median 30 days, 8.5 days in patients greater than 1000 g, p less than 0.01).
(9) Previous studies have not evaluated the potential for oxygen toxicity at 9.5 psia.
(10) The pH of ST solutions varied with the mode of oxygenation as follows: 7.9-8.2 in Groups I and IV; 8.7-8.9 in Groups II and V; 7.1-7.4 in Groups III and VI.
(11) The aim of this study was to plot the course of the transcutaneously measured PCO2 (tcPCO2) in the fetus during oxygenation of the mother.
(12) Blood gas variables produced from a computed in vivo oxygen dissociation curve, PaeO2, P95 and C(a-x)O2, were introduced in the University Hospital of Wales in 1986.
(13) Also for bronchogenic carcinoma with that a dependence could be shown between haemoglobin concentration--and by this the oxygen supply of the tumor--and the reaction of the primary tumor after radiotherapy.
(14) The present results using approximately 12% hemoglobin concentration in 0.1 M Bistris buffer at pD 7 and 27 degrees C with and without organic phosphate show that there is no significant line broadening on oxygenation (from 0 to 50% saturation) to affect the determination of the intensities or areas of these resonances.
(15) There was good agreement between the survival of normally oxygenated cells in culture and bright cells from tumors and between hypoxic cells in culture and dim cells from tumors over a radiation dosage range of 2-5 Gray.
(16) In presence of oxygen (air) the phototactic reaction values are somewhat lower than in its absence.
(17) A fiberoptic flow-directed catheter inserted into the hepatic vein continuously measures hepatic venous oxygen hemoglobin saturation (ShvO2).
(18) Anaesthesia was achieved by a mixture of oxygen, nitrous oxide and fluothane without use of muscle relaxants.
(19) The use of 100% oxygen to calculate intrapulmonary shunting in patients on PEEP is misleading in both physiological and methodological terms.
(20) Tachycardia, pulmonary hypertension, increased venous oxygen desaturation, and increasing core temperature develop as the syndrome progresses.
Shock
Definition:
(n.) A pile or assemblage of sheaves of grain, as wheat, rye, or the like, set up in a field, the sheaves varying in number from twelve to sixteen; a stook.
(n.) A lot consisting of sixty pieces; -- a term applied in some Baltic ports to loose goods.
(v. t.) To collect, or make up, into a shock or shocks; to stook; as, to shock rye.
(v. i.) To be occupied with making shocks.
(n.) A quivering or shaking which is the effect of a blow, collision, or violent impulse; a blow, impact, or collision; a concussion; a sudden violent impulse or onset.
(n.) A sudden agitation of the mind or feelings; a sensation of pleasure or pain caused by something unexpected or overpowering; also, a sudden agitating or overpowering event.
(n.) A sudden depression of the vital forces of the entire body, or of a port of it, marking some profound impression produced upon the nervous system, as by severe injury, overpowering emotion, or the like.
(n.) The sudden convulsion or contraction of the muscles, with the feeling of a concussion, caused by the discharge, through the animal system, of electricity from a charged body.
(v.) To give a shock to; to cause to shake or waver; hence, to strike against suddenly; to encounter with violence.
(v.) To strike with surprise, terror, horror, or disgust; to cause to recoil; as, his violence shocked his associates.
(v. i.) To meet with a shock; to meet in violent encounter.
(n.) A dog with long hair or shag; -- called also shockdog.
(n.) A thick mass of bushy hair; as, a head covered with a shock of sandy hair.
(a.) Bushy; shaggy; as, a shock hair.
Example Sentences:
(1) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(2) beta-Endorphin blocked the development of fighting responses when a low footshock intensity was used, but facilitated it when a high shock intensity was delivered.
(3) Furthermore, all of the sera from seven other patients with shock reactions following the topical application of chlorhexidine preparation also showed high RAST counts.
(4) Using multiple regression, a linear correlation was established between the cardiac index and the arterial-venous pH and PCO2 differences throughout shock and resuscitation (r2 = .91).
(5) It was also shown that after a shock at 44 degrees C teratocarcinoma cells were able to accumulate anomalous amounts of hsp 70 despite hsp 70 synthesis inhibition.
(6) Six of 7 SAO shock rats treated with U74006F survived for 120 min following reperfusion, while none of 7 SAO shock rats given the vehicle survived for 120 min (P less than .01).
(7) The shock resulting from acute canine babesiosis is best viewed as anemic shock.
(8) Enzymatic activity per gram of urinary creatinine was consistently but not significantly higher before extracorporeal shock wave lithotripsy than in control subjects.
(9) The high incidence and severity of haemodynamic complications (pulmonary oedema, generalized heart failure, cardiogenic shock) were the main cause of the high death-rate.
(10) It is unclear if the changes in high-energy phosphates during endotoxin shock cause irreversibility.
(11) Some of what I was churned up about seemed only to do with me, and some of it was timeless, a classic midlife shock and recalibration.
(12) The first method used an accelerometer mounted between the teeth of one of the authors (PR) to record skeletal shock.
(13) Persons with clinical abdominal findings, shock, altered sensorium, and severe chest injuries after blunt trauma should undergo the procedure.
(14) Induction of both potential transcripts follows heat shock in vivo.
(15) Passive avoidance performance of HO-DIs was, indeed, influenced by the age of the subject at the time of testing; HO-DIs reentered the shock compartment sooner than HE at 35 days, but later than HE at 120 days.
(16) In positive patterning, elemental stimuli, A and B, were presented without an unconditioned stimulus while their compound, AB, was paired with electric shock.
(17) Instead, an antiarrhythmic drug should be administered and another shock of the same intensity that defibrillated the first time should be applied.
(18) Inhibitors of nitric oxide synthase (NOS) have been reported to increase mean arterial pressure in animal models of sepsis and recently have been given to patients in septic shock.
(19) The aim of the present study was to explore the possible role of heat shock proteins in the manifestation of this heat resistance.
(20) Frequency and localization of spontaneous and induced by high temperature (37 degrees C) recessive lethal mutations in X-chromosome of females belonging to the 1(1) ts 403 strain defective in synthesis of heat-shock proteins (HSP) were studied.