What's the difference between midrib and vein?

Midrib


Definition:

  • (n.) A continuation of the petiole, extending from the base to the apex of the lamina of a leaf.

Example Sentences:

  • (1) Extent of digestion of the hemicellulosic monosaccharides, xylose, and uronic acids was higher in situ for brown midrib silages compared with normal genotypes.
  • (2) The promoter for chloroplast GS2 directs GUS expression within photosynthetic cell types (e.g., palisade parenchymal cells of the leaf blade, chlorenchymal cells of the midrib and stem, and photosynthetic cells of tobacco cotyledons).
  • (3) Disappearance of p-coumaric acid was higher in steers consuming normal genotypes than in those consuming brown midribs.
  • (4) p-Coumaric acid disappearance was higher in heifers consuming normal genotypes than in those on brown midrib mutants.
  • (5) Vanillin was lower, whereas para-coumaric acid was higher, in normal genotypes than in brown midrib mutants.
  • (6) Digestion kinetics for in situ studies showed no difference in rate constants between normal and brown midrib sorghums, but extent of digestion at 72 h was significantly higher for brown midrib mutants than for normal genotypes, suggesting that lignin has no effect on digestion rate but does result in a decreased extent of digestion.
  • (7) Total tract hemicellulose digestibility (estimated by summing fractional digestibilities of hemicellulosic monosaccharides) was higher in brown midrib mutants than in normal genotypes.
  • (8) Arabinose, xylose, and uronic acids were more digestible in brown midrib genotypes than in normal genotypes.
  • (9) Total tract galactose digestibility was higher in brown midrib genotypes than in normal genotypes.
  • (10) Brown midrib genotypes had lower NDF, acid detergent lignin, and hemicellulose concentrations than did normal genotypes.
  • (11) Diets were normal and brown midrib genotypes of Redlan x Greenleaf and Redlan x Piper varieties of ensiled first-cutting sorghum-sudangrass harvested at early head stage of maturity.
  • (12) Diets included two sorghum X sudangrass varieties, Redlan X Greenleaf and Redlan X Piper, and their corresponding brown midrib mutants.
  • (13) Relative expression ratios in leaf, root, midrib, callus, and stem tissue of tobacco plants are 1:5:4:10:17.
  • (14) The objectives of this experiment were to determine fluid and particulate rate of passage from the rumen and extent of digestion at various sites along the gastrointestinal tract in sheep fed normal and brown midrib sorghum X sudangrass hybrids.
  • (15) There was no significant difference between brown midrib and normal diets in the rate of in situ cell wall digestion or in digestion lag time.
  • (16) Spinal cord stimulation at the T2-T3 spinal level resulted in maximal inspired volume generation and electrical activation of the parasternal, external, and internal intercostal muscles of the upper and midrib cage regions as determined by electromyograms.
  • (17) However, brown midrib diets had greater extent of digestion and greater apparent digestibility than normal diets.
  • (18) Brown midrib genotypes had higher hemicellulosic monosaccharides, galactose, and uronic acids than did normal genotypes.
  • (19) Differences in alkali-soluble phenolic compound and cell wall monosaccharide profiles between normal and brown midrib genotypes may help explain digestibility differences between the two genotypes.
  • (20) Acid detergent fiber and acid detergent lignin concentrations tended to be lower for brown midrib mutants than for normal genotypes of the same variety.

Vein


Definition:

  • (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.

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