(a.) A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.
Example Sentences:
(1) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
(2) The fourth cluster included the type strains of Actinobacillus lignieresii, A. equuli, A. pleuropneumoniae, A. suis, A. ureae, H. parahaemolyticus, H. parainfluenzae, H. paraphrohaemolyticus, H. ducreyi, and P. haemolytica.
(3) Thymus and spleen cells from such hypogammaglobulinaemic chickens were extracted with non-ionic detergents, acid urea, or combinations of urea and detergent, and the extracts were analysed for Ig by the inhibition assay.
(4) Triglyceride (Trigly) in female dogs, glutamic-pyruvic transaminase (GPT) and urea nitrogen (Urea-N) in male dogs tended to increase.
(5) The two main subunits present in rabbit skeletal tropomyosin, which have been named the alpha- and beta-chains, were separated by chromatography on CM-cellulose in urea at pH4.0.
(6) The temperature-activated 4 to 5 S EBP transformation is found to be highly reproducible without loss of [3H]estradiol-binding activity in a buffer containing an excess of [3H]estradiol, 40 mM Tris, 1 mM dithiothreitol, and 1 M urea at pH 7.4.
(7) The blockage of the tubular system by the calcium oxalate deposits leads to a temporary reversible increase in serum urea and serum creatinine.
(8) Urea was determined by means of diacetyl monoxim in the blood cells of 80 cockerels of the initial breed White Leghorn, commercial hybrid Primant.
(9) Urea decreased and valine increased in the TD medulla-pons.
(10) The complex was found to be unstable toward low values of pH and ionic strength, concentrations of urea exceeding 1 M, modifications of the cysteine residues, and fragmention in which the C terminal portions of either H3 or H4 are removed.
(11) The decrease in the amount of excreted urea by 85% was also accompanied by a reduced glomerular filtration rate (GFR).
(12) The modified osmium-urea method gave better results and was easier to perform than the collagenase method.
(13) Conversely, when fed NIH-07, both mouse genotypes had a 20-22% higher (p less than 0.003) serum urea nitogren and 2-3.5% higher erythrocyte count (p less than 0.001) and hemoglobin concentration (p less than 0.04) than when fed AIN-76A.
(14) (7) The first-order radical transformation rates are independent of the (initial) concentration of N3 or peptide and unaffected by urea (as a modifier of hydrogen bond structures).
(15) Treatment of the enzyme with acid and urea resulted in dissociation of the enzyme followed by loss of catalytic activity.
(16) 6) The subunits alpha and beta of bovine follitropin were obtained by incubation in acidic urea, the chains being then separated by anion exchange chromatography.
(17) There were no major differences in blood composition, apart from increases in blood urea N, as a result of N fertilization.
(18) In contrast to the facilitated water and urea transport systems in the red blood cell, these results suggest that the mechanism for water and urea transport in the platelet is primarily by diffusion through membrane phospholipid.
(19) A significant treatment X time interaction was found for plasma urea.
(20) The disc-gel patterns of the 8 m urea-soluble proteins showed that C. perfringens caused extensive proteolysis in pig muscle and a lesser extent of proteolysis in rabbit muscle.
Urinate
Definition:
(v. i.) To discharge urine; to make water.
Example Sentences:
(1) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(2) As a consequence, similar response curves were obtained for urine specimens containing morphine or barbiturates.
(3) 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.
(4) This difference is probably secondary to the different rates of delivery of furosemide into urine.
(5) No associations were found between sex, body-weight, smoking habits, age, urine volume or urine pH and the O-demethylation of codeine.
(6) Finally the advanced automation of the equipment allowed weekly the evaluation of catecholamines and the whole range of their known metabolites in 36 urine samples.
(7) Zinc in plasma and urine and serum albumin and alpha 2-macroglobulin were measured in 48 patients with burns.
(8) The urine compositions of the European mole Talpa europaea and of the white rat Rattus norvegicus (albino) kept on a carnivore's diet were compared.
(9) A sensitive, selective and easy to use high-performance liquid chromatographic method for the determination of cicletanide, a new diuretic, in plasma, red blood cells, urine and saliva is described.
(10) Investigations on the influence of the diuresis effect on the results of quantitative estrogen and human chorionic gonadotropin (HCG) determination revealed that the estrogen values increase with the 24-hour amount of urine.
(11) Excretion of inactive kallikrein again correlated with urine flow rate but the regression relationship between the two variables was different for water-load-induced and frusemide-induced diuresis.
(12) We recommend analysing the urine for porphyrins in HIV-positive patients who have chronic photosensitivity of the skin.
(13) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
(14) Urine tests in six patients with other kidney diseases and with uraemia and in seven healthy persons did not show this substance.
(15) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(16) There is a considerably larger variability of the mercury levels in urine than in blood.
(17) Metabolites of nafiverine in blood, bile, and urine were determined quantitatively.
(18) Cost-effective immunoassays for the detection of amphetamines, benzodiazepines, and methadone in urine have been developed using Syva EMIT reagents and a Cobas Bio centrifugal analyser.
(19) Sulphuric acid fluorescence is used for quantitation and specificity is achieved by the addition of tritiated oestrone to the urine hydrolysate.
(20) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.