(n.) That portion of food which is brought up into the mouth by ruminating animals from their first stomach, to be chewed a second time.
(n.) A portion of tobacco held in the mouth and chewed; a quid.
(n.) The first stomach of ruminating beasts.
Example Sentences:
(1) The reasons for this are discussed in terms of a mechanism in which all electrons enter through cytochrome a, which, in turn, is in rapid equilibrium with a second site, identified with 'visible' copper (830 nm-absorbing) Cud (Beinert et al., 1971).
(2) Neither stimulus light intensity nor eccentricity affected the CUD in the normals, in 1 of the commissurotomized patients, and in the acallosal boy.
(3) The results showed the MDP- and DTPA-CUDs stored at -18 degrees C retained the properties which resulted in acceptable radiochemical purity and biodistribution in mice for as long as 30 days.
(4) The purpose of this study was to examine, by transmission electron microscopy (TEM), the nature of the protective effect of dimethyl sulfoxide (DMSO) on hearts of copper-deficient (CuD) rats.
(5) After either one or two days of storage at -10 degrees C, four CUDs of each concentration were labeled with 0.2-0.3 mL of sodium pertechnetate Tc 99m (10-20 mCi).
(6) Cumulative [14C]cholesterol absorption and total lymphatic output of cholesterol were significantly decreased in CuD at 4 hr and thereafter, with no change in percentage distribution of free and esterified cholesterol.
(7) Purity was less than 80% for CUDs stored for more than two days.
(8) Male, weanling Sprague-Dawley rats were fed diets deficient (CuD, less than 0.5 ppm) or adequate (CuA, 5.0-5.5 ppm) in Cu for 4 weeks.
(9) They exhibit natural behaviours – they chew the cud, socialise, groom each other.” “It’s a perception that cows need to gambol in fields,” he said.
(10) Patients with parietal lesions had still longer CUDs, 37 msec on the average.
(11) The CUDs of 2 commissurotomized patients varied with stimulus eccentricity but not intensity.
(12) Over an 8-hr period, 7.3% of the dose was absorbed by CuD and 9.2% by CuA.
(13) The radiochemical purity of CUDs labeled with 2.0 mL of sodium pertechnetate Tc 99m was significantly greater than the purity of CUDs labeled with 0.2 mL for storage times exceeding two days.
(14) cytochrome a and Cud) were reduced simultaneously and the stoicheiometry of the initial reaction was closer to two molecules of cytochrome c2+ oxidized per molecule of cytochrome a reduced.
(15) Male, weanling Sprague-Dawley rats were fed either a purified diet which was deficient in copper (CuD) or the same diet made sufficient with 5 ppm of copper (CuS).
(16) Aminopeptidase N activity was 35% lower in CuD rats than controls, but activity was not affected by cis-Pt.
(17) In our patients the mean CUD, expressed as the difference between contralateral and ipsilateral responses, was 20 msec.
(18) Four leaders were arrested on 1 November and this was the first time Hailu Shawel, the CUD leader, had been able to speak publicly since his detention.
(19) The CUDs in these subjects are attributed to the transfer of nonsensory information via the corpus callosum, via ipsilateral corticospinal tracts, and via the anterior commissure or ipsilateral motor pathways, respectively.
(20) The CUDs of lower dilution (3 mL) appeared to be more stable than the CUDs of higher dilution (10 mL).
Regurgitate
Definition:
(v. t.) To throw or pour back, as from a deep or hollow place; to pour or throw back in great quantity.
(v. i.) To be thrown or poured back; to rush or surge back.
Example Sentences:
(1) The 14-fold increase in prolonged apnea frequency immediately following regurgitation supports the hypothesis for a causal relationship between apnea and regurgitation.
(2) The pathoanatomy and factors associated with transient mitral regurgitation (MR) induced by myocardial ischemic stress are unknown.
(3) Postoperative examination revealed division of accessory pathway and no regurgitation of mitral prosthesis.
(4) Doppler mitral regurgitation (MR) was detected in 40 of the 47 patients (85%) with type C in 56 of the 99 (59%) with type B, and in seven of the 18 (39%) with type A.
(5) One child (case 1) exhibited nasal regurgitation during feeding.
(6) To determine the severity of regurgitation by dynamic MRI, several parameters were analyzed, including the number of slices with visible signal loss, the time course of the signal loss, and its maximal area and maximal volume.
(7) Without operative correction of the tricuspid valve, secondary tricuspid regurgitation can resolve following mitral valve surgery alone.
(8) Signs of mitral regurgitation of grade 1 could be documented angiographically in 9 patients and of grade 2 in 4 patients.
(9) Sixty-eight patients (mean age 49 years) were studied with contrast echocardiography (CE) and Doppler echocardiography (DE) to evaluate both methods for detecting and grading tricuspid regurgitation (TR).
(10) Case 2: A 40-year-old man with congestive heart failure and inflammatory signs had aortic and mitral regurgitation.
(11) Twelve patients had severe mitral regurgitation; successful mitral valve replacement was carried out in four patients (all with myxomatous mitral tissue).
(12) The sounds were loudest along the left sternal border, exhibited an increase in intensity during inspiration and were associated with right atrial gallop sounds and with murmurs of tricuspid regurgitation.
(13) Isolated tricuspid valve regurgitation is a rare finding after nonpenetrating chest trauma.
(14) Tricuspid regurgitation (TR) was diagnosed with Doppler when reverse flow in systole was recorded at and behind the closure level of the tricuspid valve.
(15) We conclude that in most patients undergoing aortic valvuloplasty, regurgitation does not change after the procedure.
(16) All patients presented with severe oropharyngeal dysphagia and frequent aspiration together with pharyngooral and pharyngonasal regurgitation.
(17) On a series of 170 aortic valve replacement - 100 aortic stenoses (AS) and 70 aortic regurgitations (AR) - with an early post operative death rate of 5.3% and a late one of 8% (with a minimum follow up of 1 year and an average one of 25.4 months, two electrocardiographic and radiological checks could be done on 123 patients, 12 months on an average after the operation, and again for 116 patients, 21 months after the operation.
(18) In all cases, the maximal velocity of the tricuspid regurgitation jet was measured by continuous wave Doppler ultrasound and the systolic pressure gradient between right ventricle and the right atrium was calculated by the modified Bernoulli equation.
(19) In a multivariate Cox model analysis, the independent correlates of long-term survival were emergent operation with cardiogenic shock (multivariate mortality rate ratio [RR] = 14.0), use of a postoperative intraaortic balloon pump (RR = 3.9), ejection fraction less than 50% (RR = 2.4), preoperative history of congestive heart failure (RR = 2.2), cardiopulmonary bypass time (RR = 1.4 for each 30-minute increment), uncorrected mitral regurgitation (RR = 1.5 for each increment of angiographic gradation), left main coronary artery narrowing (RR = 1.7) and diabetes (RR = 1.6).
(20) This report details the pulsed Doppler echocardiographic findings in two patients who developed severe periprosthetic mitral regurgitation after porcine mitral valve replacement.