What's the difference between heart and vein?

Heart


Definition:

  • (n.) A hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
  • (n.) The seat of the affections or sensibilities, collectively or separately, as love, hate, joy, grief, courage, and the like; rarely, the seat of the understanding or will; -- usually in a good sense, when no epithet is expressed; the better or lovelier part of our nature; the spring of all our actions and purposes; the seat of moral life and character; the moral affections and character itself; the individual disposition and character; as, a good, tender, loving, bad, hard, or selfish heart.
  • (n.) The nearest the middle or center; the part most hidden and within; the inmost or most essential part of any body or system; the source of life and motion in any organization; the chief or vital portion; the center of activity, or of energetic or efficient action; as, the heart of a country, of a tree, etc.
  • (n.) Courage; courageous purpose; spirit.
  • (n.) Vigorous and efficient activity; power of fertile production; condition of the soil, whether good or bad.
  • (n.) That which resembles a heart in shape; especially, a roundish or oval figure or object having an obtuse point at one end, and at the other a corresponding indentation, -- used as a symbol or representative of the heart.
  • (n.) One of a series of playing cards, distinguished by the figure or figures of a heart; as, hearts are trumps.
  • (n.) Vital part; secret meaning; real intention.
  • (n.) A term of affectionate or kindly and familiar address.
  • (v. t.) To give heart to; to hearten; to encourage; to inspirit.
  • (v. i.) To form a compact center or heart; as, a hearting cabbage.

Example Sentences:

  • (1) The extents of phospholipid hydrolysis were relatively low in brain homogenates, synaptic plasma membranes and heart ventricular muscle.
  • (2) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
  • (3) It was found that the skeletal muscle enzyme of the chick embryo is independent of the presence of creatine and consequently is another constitutive enzyme like the creatine kinase of the early embryonic chick heart.
  • (4) This may have significant consequences for people’s health.” However, Prof Peter Weissberg, medical director of the British Heart Foundation, which funded the work, said medical journals could no longer be relied on to be unbiased.
  • (5) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
  • (6) Among the pathological or abnormal ECGs (25.6%) prevailed the vegetative-functional heart diseases with 92%.
  • (7) Propranolol resulted in a significantly lower mean hourly, mean 24 h and minimum heart rate.
  • (8) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
  • (9) Coronary arteritis has to be considered as a possible etiology of ischemic symptoms also in subjects who appear affected by typical atherosclerotic ischemic heart disease.
  • (10) A full-length cDNA encoding porcine heart aconitase was derived from lambda gt10 recombinant clones and by amplification of the 5' end of the mRNA.
  • (11) report the complications registered, in particular: lead's displacing 6.2%, run away 0.7%, marked hyperthermya 0.0%, haemorrage 0.4%, wound dehiscence 0.3%, asectic necrosis by decubitus 5%, septic necrosis 0.3%, perforation of the heart 0.2%, pulmonary embolism 0.1%.
  • (12) Western blot analysis of these mitochondria using an antibody against carnitine palmitoyltransferase II purified from beef heart demonstrates a 68-kDa protein, which under ischemic conditions apparently is decreased by 2 kDa.
  • (13) The strongest predictor of non-sudden cardiac death was the New York Heart Association functional class.
  • (14) Road traffic accidents (RTAs) comprised 40% and ischaemic heart disease (IHD) 13% of the total.
  • (15) At the heart of the payday loan profit bonanza is the "continuous payment authority" (CPA) agreement, which allows lenders to access customer bank accounts to retrieve funds.
  • (16) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (17) Complete heart block was produced in 20 of 20 dogs.
  • (18) low molecular weight dextran in the course of right heart catheterization.
  • (19) Myocardial ischaemia was induced in perfused rabbit hearts by ligating the left main coronary artery.
  • (20) In the stage 24 chick embryo, a paced increase in heart rate reduces stroke volume, presumably by rate-dependent decrease in passive filling.

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.