(n.) The unit of force, in the C. G. S. (Centimeter Gram Second) system of physical units; that is, the force which, acting on a gram for a second, generates a velocity of a centimeter per second.
Example Sentences:
(1) Labetalol was more effective than placebo in significantly lowering systolic blood pressure (-11 versus + 5 mm Hg, -23 versus + 4 mm Hg), diastolic blood pressure (-9 versus + 2 mm Hg, -12 versus + 5 mm Hg), and total systemic resistance (-259 versus + 42 dynes-sec cm-5, -390 versus + 74 dynes-sec cm-5) in young and older hypertensive subjects, respectively.
(2) Pulmonary vascular resistance decreased from 2095 to 1333 dynes sec cm-5 with an initial dose of the drug.
(3) The pulmonary hemodynamic response to an acute normobaric inspiratory hypoxia, a fraction of inspired O2 of 0.125 and the balance nitrogen for 10 min, was investigated in a 51-year-old man 11 months before and again 3 wk after he experienced an episode of pulmonary edema while mountaineering near the summit of the Chimborazo (Ecuador) at an altitude of about 5,700 m. Pulmonary vascular resistance increased by 72 and 70 dyne .
(4) Whereas reversibility was demonstrated when the shearing stresses exceeded the elastic resistance [0.17 dyne cm-2 (1.7 muN CM-2)], thorough mixing usually resulted in a normal behavior of the solutions thereafter.
(5) Pulmonary vascular resistance was lower in the group with acute insufficiency (mean 139 dynes sec cm-5) than in the group with chronic severe insufficiency (mean 631 dynes cm-5) (P less than 0.005).
(6) The pre- and postoperative systemic vascular resistance was 1707 and 1941 dynes sec X cm-5, respectively (P greater than 0.2).
(7) It was found that in the venules of the rabbit omentum a white blood cell sticking to the endothelial wall was subjected to a shear force in the range of 4 times 10--5 dynes to 234 times 10--5 dynes; the exact value depended on the size and motion of the white blood cell, the size of the blood vessel, the velocity of the blood flow, and the local hematocrit, which varied between 20% and 40% in venules of about 40 mum in diameter.
(8) Notable exceptions to the third observation were patients with valvular heart disease or a resting pulmonary vascular resistance greater than 800 dyne-sec-cm-5.
(9) Coronary revascularization with high baseline pulmonary vascular resistance (greater than 200 dyne s cm-5).
(10) These changes usually coincided with an increase in osmiophilic inclusion bodies in the large alveolar cell.A concentration of disaturated phosphatidyl choline per milligram DNA in excess of 0.170 mg per mg was associated with a minimal surface tension below 13 dynes per cm (p < 0.001).
(11) Mean arterial pressure ranged from 40 to 65 mm Hg while systemic vascular resistance varied widely, averaging 1575 dyne-sec-cm(-5).
(12) None of the patients with poor ventricular performance had a peak isovolumic rate of change of power that exceeded 25,000 dynes cm sec-2.
(13) The adiabatic compressibility of oxidized thioredoxin was also much larger (9.8-18 x 10(-12) cm2 dyne-1) than that of the reduced protein (3.8-7.3 x 10(-12)).
(14) At 14 to 28 weeks, the surface-active fraction from lung gave a minimum surface tension of 18.1 dynes per centimeter and 7.0 dynes per centimeter by 4 days after birth.
(15) Statistical analysis of the hemodynamic variables revealed that the responders (group 1) had a significant decrease in the pulmonary vascular resistance from 250 dynes second cm-5 at baseline to 155 dynes second cm-5 at 15 minutes after sublingual nifedipine (p less than .05 and 135 dynes second cm-5 at 24 hours while on oral nifedipine.
(16) There were significant changes in mean pO2 (51.8 to 61.9 mmHg; P less than 0.01), pCO2 (55.3 to 47.6 mmHg; P less than 0.001), mean pulmonary artery pressure (41.8 to 34.5 mmHg; P less than 0.01) and pulmonary vascular resistance (PVR) (346.4 to 163.3 dynes; P less than 0.05).
(17) The approach used in this study involved the application of Fourier transform infra-red spectroscopy (FTIR) to the analysis of samples taken from the Chem-Dyne remedial action hazardous waste site.
(18) The force required to separate the F1-JY pair is 1.5 X 10(4) dynes per square centimeter.
(19) Linear regression analysis revealed a close relationship between changes in distal coronary pressure (delta DCP) and those in resistance of the stenotic coronary segment (delta RL) represented by the following equation; delta RL (dyne X cm-5 X sec X 10(-3)) = 0.50 X [delta DCP (mmHg)]-6.0 X 10(-2), r = 0.86, p less than 0.01.
(20) A surface tension of less than 56 dynes per centimeter at 120 microliter of extract and less than 46 dynes per centimeter at 220 microliter of extract denoted pulmonary maturity.
Erg
Definition:
(n.) The unit of work or energy in the C. G. S. system, being the amount of work done by a dyne working through a distance of one centimeter; the amount of energy expended in moving a body one centimeter against a force of one dyne. One foot pound is equal to 13,560,000 ergs.
Example Sentences:
(1) Similar to intact crayfish, animals with an isolated protocerebrum-eyestalk complex, exhibit competent circadian rhythms in the electroretinogram (ERG).
(2) We have now started a prospective follow-up study in order to pursue the development of (a) p-ERG amplitudes and (b) funduscopic changes and visual acuity in these patients.
(3) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
(4) The b-wave in the ERG was lacking and the EOG was flat.
(5) ERGs of high amplitude and of normal wave form were recordable with prominent oscillatory potentials.
(6) In chronical experiments the ERG of 5 rabbits were recorded before and after stimulation of the hippocampus.
(7) The wave forms of the equiluminance stimulus onset responses were similar to ERGs evoked with luminance decrease and the stimulus offset PERGs were like ERGs elicited by luminance increase.
(8) The ERG tested in a cell-free extract from one of these transformants proved to be resistant to the Al derivative, terbinafine.
(9) The highest yield of amino acids with the quench reaction was 9 x 10-7 molecules per erg of input energy.
(10) Normal retinal function can be maintained for several hours with the measurement of the gross electroretinogram (ERG) serving as a useful monitor of the electrophysiological condition of the preparation.
(11) We suggest that the initial supernormal ERG reflects an underlying biochemical change mediated by the action of anti retinal S-antigen antibodies.
(12) The postirradiation changes in the ERG wave amplitudes were most pronounced during the attenuating photokeratitis.
(13) The results strongly support the concept that the b-wave of the photopic ERG may actually represent a composite of potentials whose individual contributions are best visualized when the ERG is recorded with the 100- to 1000-Hz bandwidth.
(14) The ERG a-wave and b-amplitudes also decreased as a consequence of the taurine-free diet.
(15) The electroretinogram (ERG) was recorded in the dark from photo-entrained albino rabbits, using a constant-intensity, 500-nm, 50- or 100-msec stimulus at 1-min intervals.
(16) We hypothesize that the b-wave of the electroreginogram (ERG) can provide a precise, noninvasive measure of the morning rod disc shedding event.
(17) Pelmatohydra oligactis was amputated in the central part of the gastral region and exposed to radiation of ultraviolet rays (2535 angstroms, 12 erg mm(-2)s(-2) for 7, 15 and 20 minutes.
(18) ERG bp-waves were recorded in congenital color blindness by scanning monochromatic light stimuli, and spectral responses obtained could be evaluated as a spectral pattern.
(19) The data suggests that the b-wave of the ERG should be considered as a composite of potentials rather than as a single potential.
(20) The laser applications reduced considerably the amplitudes of the a and b waves of the ERG.