| 词汇 | portal-vein |
| 释义 | portal vein noun[ Cusually singular ] anatomy specializeduk /ˈpɔː.təl ˌveɪn/ us /ˈpɔːr.t̬əl ˌveɪn/(alsohepatic portal vein) the vein (= tube) that carries blood, containing substances obtained from food, from the intestines to the liver: 门静脉（这种静脉将血液从小肠运输到肝脏，血液中含有从食物所吸收的物质） A clot had formed in the portal vein. Most of the healthy liver cells will not be affected because they get their blood supply from the portal vein. The nutritive materials that are carried to the liver by the portal vein are dehydrated by that organ. In portal hypertension, the liver cannot accept all of the fluid from the portal vein. Ultrasound may show both hepatic veins and portal veins and occasionally demonstrates intravascular tumour. The circulatory system & blood ABO accessory pathway adventitia adventitial ANA auricle bicuspid valve corpuscle femoral artery glomus granulocyte haematogenous haemic phagocyte portal system precava pulmonary artery pulmonary vein pulmonic tricuspid valve Examples of portal veinportal vein Introduction of schistosomula to the hepatic portalvein resulted in very high maturation levels. Presence of pulsations and reproducibility of waveform recording in the umbilical and left portalvein in normal pregnancies. Over the course of the study, congenital absence of the portalvein was noted. The same therapeutic protocols produced almost identical results after portalvein injection of pancreatic islets. In this poster presentation the anatomy of the portalvein system, the ductus venosus and umbilical vein is demonstrated. It is still not clear how the virus reaches the liver, but it is presumably via the portalvein serving the liver. The probability of a schistosomulum being distributed to arteries leading to the hepatic portalvein, can be calculated. The islets are infused into the portalvein so that they lodge in the liver. Changes of peak velocities of flow in the portalvein occurring with respiration were more pronounced in these patients. It may be that agenesis of the portalvein simply favours the clinical expression of that abnormality. Blood enters via the hepatic artery or portalvein, and percolates through the narrow sinusoidal channels before exiting through the central veins. The lungs and hepatic portalvein of groups of 5 recipients were examined for the presence of schistosomula on days 4, 14 and 40 after injection using normal procedures. Congenital absence of the portalvein. Rare congenital anomaly of the portalvein. There it joins with the left branch of the portalvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of portal vein These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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