(n.) One of the vessels which carry blood, either venous or arterial, to the heart. See Artery, 2.
(n.) One of the similar branches of the framework of a leaf.
(n.) One of the ribs or nervures of the wings of insects. See Venation.
(n.) A narrow mass of rock intersecting other rocks, and filling inclined or vertical fissures not corresponding with the stratification; a lode; a dike; -- often limited, in the language of miners, to a mineral vein or lode, that is, to a vein which contains useful minerals or ores.
(n.) A fissure, cleft, or cavity, as in the earth or other substance.
(n.) A streak or wave of different color, appearing in wood, and in marble and other stones; variegation.
(n.) A train of association, thoughts, emotions, or the like; a current; a course.
(n.) Peculiar temper or temperament; tendency or turn of mind; a particular disposition or cast of genius; humor; strain; quality; also, manner of speech or action; as, a rich vein of humor; a satirical vein.
(v. t.) To form or mark with veins; to fill or cover with veins.
Example Sentences:
(1) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
(2) The statistical T value calculated for the LP-TAE group showed that the administration of LP, the tumor size, intrahepatic metastasis, portal vein infiltration, and serum total bilirubin and alpha-fetoprotein levels significantly (P < 0.01) affected the patients' survival.
(3) Evaluation revealed tricuspid insufficiency, a massively dilated right internal jugular vein, and obstruction of the left internal jugular vein.
(4) If tracer is introduced into the carotid artery after osmotic treatment, brain uptake is increased by a net factor of 50 (a factor of 70 due to elevation of PA, multiplied by 7 due to infusion by the carotid route) as compared to uptake by normal, untreated brain with infusion into a peripheral vein.
(5) This observation, reinforced by simultaneous determinations of cortisol levels in the internal spermatic and antecubital veins, practically excluded the validity of the theory of adrenal hormonal suppression of testicular tissues.
(6) An anatomic study of the peroneal artery and vein and their branches was carried out on 80 adult cadaver legs.
(7) An intravenous bolus of 300 micrograms.kg-1 of 3-desacetylvecuronium was rapidly injected into the jugular vein.
(8) In one of the cirrhotic patients, postmortem correlation of sonographic, angiographic, and pathological findings showed that the dilated vessels seen on sonography were cystic veins draining normally into the portal vein rather than portosystemic anastomoses.
(9) Rapid injection of 2 m Ci TC 99m into a dorsal vein of the foot produced isotope phlebograms with a Dyna camera 2 C.
(10) The superior mesenteric artery and the abdominal aorta made the mean angle of 35.5 degree in patients with normal left renal vein, the mean angle of 45.4 degrees in those with left renal vein compression without nutcracker phenomenon, and the mean angle of 11.9 degrees in those with nutcracker phenomenon.
(11) Blood samples were collected from an antecubital vein at sea level (S1), in a base camp at 1515 m prior to the summit ascent (S2), on the summit at 3285 m after 6.5 hours of climbing (S3), at base camp immediately after the descent (S4), and at sea level following a trail descent from the base camp (S5).
(12) The most frequent source of the pulmonary circulation thromboembolism was the lower limb veins.
(13) A patient with a history of hypertension had a combined central retinal artery and vein occlusion in one eye.
(14) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
(15) It is concluded that the transcutaneous ultrasound technique provides a reliable, rapidly available, non-invasive method to confirm the diagnosis of deep vein thrombosis.
(16) A fiberoptic flow-directed catheter inserted into the hepatic vein continuously measures hepatic venous oxygen hemoglobin saturation (ShvO2).
(17) The angiographic demonstration of veins was similarly improved by the 2 drugs, the effect of 60 mug.
(18) Attention is paid to the set of problems connected with the nonthrombotic insufficiency of the conducting veins of the leg.
(19) In the other, the proximal fibula was excised and the epiphysis placed across the saphenous artery and vein in the groin.
(20) Our results show that stenosis of about one-third of the original external diameter of the artery and vein of the pedicle in our model did not have any significant influence on the survival of the flap and ligation of the femoral artery distal to the branch to the flap did not produce any statistical difference in the viability of the flap.
Zein
Definition:
(n.) A nitrogenous substance of the nature of gluten, obtained from the seeds of Indian corn (Zea) as a soft, yellowish, amorphous substance.
Example Sentences:
(1) We have found that the o2-676 mutant protein does not show specific recognition of zein promoter fragments because of the substitution of a lysine residue for an arginine residue within the bZIP domain of o2-676.
(2) The zein mRNA sedimented as a homogeneous peak on sucrose gradients and contained a poly(A)-rich region based upon hybridization to [3H]poly(U).
(3) The changes in the quantity of protein and energy consumed by the rats, which were brought about by the addition of the essential limiting amino acids and groups of essential amino acids to gluten, casein, and zein, were not linearly related to alterations in the total plasma amino acid concentrations or to the accumulation of the added amino acids in the blood plasma.
(4) A 216 bp promoter fragment of the 19 kDa protein zein gene pMS1, containing the CCAAT and TATA boxes, was analysed by a variety of techniques for in vitro interactions with nuclear proteins from endosperm tissue.
(5) Beta zein exists in an aggregated state (dimer and higher forms) in dimethylformamide.
(6) A laboratory procedure for isolation and purification of zein from grains of 4 varieties of Maize was described.
(7) Serum antibodies from the maize-fed mice, immunized with either alpha-zein or maize glutelin, showed even labelling of the major maize endosperm proteins while antibodies from mice on the wheat diet showed strong labelling of the Mr 27,000 and 58,000 bands.
(8) The results suggested that the repression effect of the three mutations on zein accumulation may be mediated by the alteration of a zein transport or zein assembly process involving b-70I and b-70II.
(9) We found that zein is fairly stable in yeast cells and the increased accumulation of zein polypeptide depends mainly upon a marked increase of its rate of synthesis.
(10) Ultrastructural studies showed that gamma-zein occurs in high concentrations in the first few subaleurone cells of nonmodified endosperms, but high concentrations of gamma-zein occur in the subaleurone and central endosperm cells of modified opaque-2 mutants.
(11) This suggests that the O2 protein affects zein transcription through direct interaction with one or more zein promoter elements.
(12) In one system, the Ti plasmid was used to introduce the modified zein genes into the sunflower genome.
(13) Adult male rats were maintained on normal (20% casein), protein-free (0% casein), high protein (50% casein), decicient protein (20% zein), and a supplemented, deficient protein (20% zein plus L-lysine and L-tryptophan) diets.
(14) The signal sequence region of the 13 kDa prolamin, however, shows homology of more than 65% in both the nucleotide sequence and the amino acid sequence with rice 10 kDa prolamin and maize zein.
(15) 12 electrophoretic and 5-7 chromatographic fractions are found in zein, their molecular weight being 40000-280000 daltons.
(16) Based on in vitro binding assays, the greatest concentration of the beta-1 in endosperm nuclei is at 16 days after pollination, which coincides with the time of highest transcriptional activity of the beta-zein gene.
(17) The Mr 15,000 zein contains no repetitive nucleotide sequences and shows no homology with genes encoding the Mr 22,000 and 19,000 zeins.
(18) Protein-depleted rats, in the first half hour of a test, chose a significantly larger proportion of soybean, gluten, zein, fibrin, yeast torula and ovalbumin than protein replete controls, but not of casein or lactalbumin.
(19) Comparison of restriction patterns of genomic maize DNA digested with enzymes MboI and Sau3A enabled us to detect the existence of adenine methylation in zein genes.
(20) A methionine-rich 10 kDa zein storage protein from maize was isolated and the sequence of the N-terminal 30 amino acids was determined.