(n.) The great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.
Example Sentences:
(1) The origin of the aorta and pulmonary artery from the right ventricle is a complicated and little studied congenital cardiac malformation.
(2) An innovative magnetic resonance imaging technique was applied to the measurement of blood flow in the abdominal aorta.
(3) 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.
(4) After early repair of congenital cardiovascular defects, such as coarctation of the aorta, late stenosis may become a problem.
(5) The adherence of 51Cr-labeled platelets to rabbit aortae everted on probes rotated in platelet-red cell suspensions has been measured.
(6) Biosyntheses of TXA2 and PGI2 were carried out using arachidonic acid as a substrate and horse platelet and aorta microsomes as sources of TXA2 and PGI2 synthetases respectively.
(7) In the highest concentration tested, two other reagents 2,4-dimethoxybenzylamine and N-acetylimidazole, did not influence the activity of the steroisomers on aorta.
(8) To gain more information about sources of activator Ca2+ involved in the contraction of rat and guinea-pig aorta evoked by angiotensin II and their sensitivity to Ca2+ entry blockers, measurement of slowly exchanging 45Ca2+ was established.
(9) With a series of 117 aortic valve replacements, the authors have examined the results in relation to the method of protecting the myocardium while the aorta is clamped off.
(10) Emergency CT showed evidence of pericardial effusion suggesting hemopericardium, enlargement of the ascending aorta and a peripheral semilunar filling defect which caused a slight deformation of the true channel.
(11) In order to study the vascular and adrenal renin angiotensin system in the chronic phase (4 months after clipping) of 'two-kidney, one-clip' hypertension in rats, systolic blood pressure, plasma renin activity, and tissue renin-like activity in both aorta and adrenal have been measured.
(12) Arteriosclerotic plaques were found in the aorta and arteries of rabbits given homocysteine thiolactone, methionine or homocysteic acid, both parenterally and in a synthetic diet.
(13) A neonate, with a postconceptual age of 29 weeks, suffered thrombosis of the aorta as a consequence of umbilical artery catheterisation.
(14) Trimazosin at the dose used and under the conditions of study did not reverse the peripheral pressor effect of angiotensin II or B-HT920 but at higher concentrations, unlike prazosin, it relaxed the K+ contracted thoracic aorta.
(15) The relaxations in response to a nonreceptor-mediated endothelium-dependent vasodilator, A23187, and an endothelium-independent vasodilator, sodium nitroprusside, were not different between normal and diabetic aortas.
(16) The contents of esterified cholesterol and elastin in the aorta were higher in the control group than in the milk-fed group by 28 an 94 per cent, respectively.
(17) In rabbit aorta, pretreatment with 2-aminoisoquinoline, 1.3 (2H.4H)-dione (AQ, 10(-5) M and 10(-4) M) shifted the concentration-response relationship to noradrenaline (NA, 10(-9) M to 10(-4) M) in a parallel manner whereas the agent (10(-4) M) failed to affect the response to potassium and only slightly depressed Ca2+-induced contractions in a Ca2+-free medium in the presence of K+ (40 mM).
(18) Thus, the carotid pulse tracing provides an accurate reproduction of the morphology of the pressure tracing recorded from the ascending aorta, and when calibrated by peripheral blood pressure measurement, it can be used to calculate LV pressure throughout ejection.
(19) The part of the aorta wall that was removed showed signs of arterioschlerosis obliterans.
(20) In blood, ablation of porcine aorta was feasible at a distance of 3 mm.
Porta
Definition:
(n.) The part of the liver or other organ where its vessels and nerves enter; the hilus.
(n.) The foramen of Monro.
Example Sentences:
(1) In the area of the porta hepatis, there were many epithelial luminal structures in fibrous tissue with inflammatory infiltrates.
(2) In two cases that showed punctate or linear low density structures adjacent to the distal side of the tumor nodules to the porta hepatis, a daughter nodule was detected by CT at 6.5 and 9.2 months, respectively, after the appearance of the low density structures.
(3) The authors emphasize a regional approach for the diagnosis of lymphadenopathy, according to the groupings of retrocrural, retroperitoneal, gastrohepatic ligament, porta hepatis, celiac and superior mesenteric artery, pancreaticoduodenal, perisplenic, mesenteric, and pelvic lymph nodes.
(4) Following antrectomy of porta-caval-shunted rats feeding no longer raised the enzyme activity.
(5) Eighteen of 31 patients survived porta hepatis injury.
(6) Immense occupancy and porta hepatis proximity of the cysts were triggers for developing jaundice.
(7) In conclusion, spontaneous contrast echoes in the right heart are produced by gas absorbed from the intestine because of porta-systemic shunting.
(8) As for the evaluation of operative results of hepatic portoenterostomy for this lesion, a proper evaluation can be made only in those cases in which a microscopic examination of the remnant of extrahepatic bile duct at the porta hepatis area has been adequately performed.
(9) A 64-year-old women was admitted for the examination of the abdominal mass (5 X 4.5 cm) at porta hepatis with acoustic shadow on ultrasonogram.
(10) Patients with variceal hemorrhage and medically resistant ascites are candidates for a side-to-side shunt, with consideration being given to an operation that avoids dissection of the porta hepatis.
(11) The incidence was high in patients suffering from chronic active hepatitis, hypercoagulable states, trauma or previous dissection of the porta hepatis, and splenectomy.
(12) After hepatic portoenterostomy for biliary atresia, granulation that formed at the porta hepatis caused biliary obstruction in seven out of 27 patients (26%).
(13) In porta-caval surgery a differentiated choice of the available shunting methods to be applied, especially techniques for selective decompression and liver arterialization, may improve the results.
(14) Margate was among the “Portas Pilot” towns which won £100,000 in funding to back new ideas to boost trade and refill empty shops on some of the UK’s most battered high streets.
(15) Duplex Doppler ultrasonography (US) and panhepatic angiography were performed and interpreted independently in 20 patients with suspected portal hypertension to assess the accuracy of duplex US in the porta hepatis.
(16) On the cholangiogram, one case showed narrowing of common hepatic duct near the porta hepatis, and one case revealed a tapered narrowing-like stenosis.
(17) Two sections of the hepatic artery were studied; the common hepatic artery where measurements were made just after the bifurcation of the coeliac axis to splenic and hepatic arteries and the hepatic artery itself, where measurements were made just proximal to the porta hepatis in a straight stretch of artery overlying the portal vein.
(18) Following antrectomy of the porta-caval shunted rats the number of enterochromaffin-like cells and the oxyntic histamine concentration was reduced.
(19) However, the Portas Review, led by retail expert Mary Portas, failed to consider accessibility for disabled customers, and only briefly mentioned older people.
(20) The injection of gelatinized carbon into the porta hepatis revealed a new pathway of the liver lymphatics running independently of the portal vein in addition to the ordinary periportal lymphatics.