What's the difference between catadromous and vein?

Catadromous


Definition:

  • (a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous.
  • (a.) Living in fresh water, and going to the sea to spawn; -- opposed to anadromous, and said of the eel.

Example Sentences:

  • (1) Mortality of pelyad (Coregonus peled) caused by Tetraonchus alaskensis took place in winter 1973 in the Voikara and Syn rivers (the Ural tributaries of the Lower Ob) during anadromous and catadromous migrations.
  • (2) A radioautographic study of the European eel (Anguilla anguilla) was carried out in ten female specimens at the catadromic migratory silver stage.
  • (3) In both the anadromous and catadromous arctic lamprey (Lampetra japonica), iCT cells were present only in the diencephalon, and those were bipolar nerve cells.
  • (4) The secretory activity of the preoptic nucleus and of the lateral tuberal nucleus was also investigated with regard to the gonadal growth and development during the reproductive sexual cycle and the changing migrational environmental conditions (anadromous and catadromous phases).
  • (5) Copro-ovoscopic survey of the human population in the Khabarovsk Territory and the analysis of data of account of territorial sanitary epidemiological station showed that people invaded with D. klebanovskii are registered only in areas whose rivers catadromous salmon come to spawn.
  • (6) The complex life cycle of the European eel (Anguilla anguilla) involves a long catadromous migration during which the eye undergoes a number of morphological alterations.

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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