Home

Hepatic veins

The hepatic veins carry oxygen-depleted blood from the liver to the inferior vena cava. They also transport blood that has been drained from the colon, pancreas, small intestine, and the stomach. Hepatic veins are blood vessels that return low-oxygen blood from your liver back to the heart.The veins are key players in the supply chain that moves the blood that delivers nutrients and oxygen. Hepatic vein (Vena hepatica) The hepatic veins are three large vessels that drain the venous blood from the liver into the inferior vena cava.The main hepatic veins are the right, intermediate and left hepatic veins.In addition, several smaller and somewhat inconsistent caudate lobe veins contribute to the venous drainage of the liver.. Aside from their main function to drain the liver, the. The right hepatic vein is a single dominant vein in ~70% (range 60-78%) of individuals. There may be an early bifurcation, early trifurcation or even multiple right hepatic veins entering the IVC. Hence this may make it difficult to accurately deduce segmental anatomy of the liver. The commonest anatomical variant of the hepatic veins is an. In Hepatic Veins 101, we discussed the structure, function and waveforms of the hepatic veins, in regards to the cardiac cycle. This blog will cover how the hepatic veins play a role with the right heart. We tend to forget about the importance and useful information the hepatic veins provide us

Hepatic Veins Anatomy, Function & Diagram Body Map

The hepatic veins have a characteristic spectral Doppler waveform. Alterations in the normal hepatic vein waveform may reveal or confirm abnormalities in the heart or liver. Terminology The shape of the hepatic vein spectral Doppler waveform is.. Hepatic Vein Anatomy. There are three major hepatic veins—left, middle, and right—which separate the liver along cranio-caudal planes ().The plane of the left hepatic vein separates the lateral left lobe (Couinaud system segments II and III) from the medial left lobe (Couinaud segments IVa and IVb) Evaluation liver: Portal vein is the main blood flow to the liver it occluded sometime with thrombosis that is usually treated with blood thinners like Coumadin ( warfarin) . Hepatic veins drains blood from liver to the heart , if they occlude the patient will develop jaundice and sometimes severe liver dysfunction

What Is a Hepatic Vein and What Does It Do

Elias and Petty [] were the first to emphasize the importance of hepatic veins during liver surgery and the need to protect the hepatic vein draining a liver sector or segment.The role of the hepatic veins in liver surgery, however, was established only after the report of Goldsmith and Woodburne [].Adequate hepatic venous drainage after liver surgery is believed to be important because (1. The hepatic portal vein is one of the most important vein that receives blood from the body and transports it into the liver for filtration and processing. This vein is part of the hepatic portal system that receives all of the blood draining from the abdominal digestive tract, as well as from the pancreas, gallbladder, and spleen. 'Hepatic' means of or relating to the liver, therefore the. The right hepatic vein enters the inferior vena cava separately, but the middle hepatic vein and the left hepatic vein may share a common trunk in 65-85% of patients . Besides the three major hepatic veins, additional small accessory or short hepatic veins from the pericaval liver segments drain directly into the inferior vena cava caudad to. Hepatic vein obstruction prevents blood from flowing out of the liver and back to the heart. This blockage can cause liver damage. Obstruction of this vein can be caused by a tumor or growth pressing on the vessel, or by a clot in the vessel (hepatic vein thrombosis).. Most often, it is caused by conditions that make blood clots more likely to form, including Hepatic veins meet with the inferior vena cava at the back side of the liver. The liver receives deoxygenated blood from other organs through hepatic portal veins and oxygenated blood to feed itself through the hepatic artery. At the terminal, or end, branches of the hepatic portal veins and the hepatic artery, the arterial and venous blood dumps together into the sinusoids which, in turn.

Hepatic veins: Anatomy, tributaries, drainage Kenhu

Hepatic veins Radiology Reference Article Radiopaedia

Hepatic vein thrombosis (HVT) is an obstruction in the hepatic veins of the liver caused by a blood clot. This condition blocks the drainage system of your liver, impeding blood flow back to your. Moderate or severe right-sided heart failure increases central venous pressure, which is transmitted to the liver via the inferior vena cava and hepatic veins. Chronic congestion leads to atrophy of hepatocytes, distention of sinusoids, and centrizonal fibrosis, which, if severe, progresses to cirrhosis (cardiac cirrhosis) The hepatic veins transport deoxygenated blood from the liver to the inferior vena cava (IVC), which pumps the blood into the right atrium. From there, the right heart delivers the deoxygenated blood through the pulmonary artery (PA) to the lungs in order for the blood to get oxygenized! 2 Normal hepatic vein. A,The Doppler waveform from a normal HV is pulsatile, reflecting pressure changes in the right heart. Flow is hepatofugal or directed away from the liver (blue). The initial S wave occurs during filling of the right atrium (S). The V trough (short arrow) reflects overfilling of the right atrium before the tricuspid valve. The hepatic veins drain the liver into the inferior vena cava. When portal vein blood flow increases, hepatic artery flow decreases and vice versa (the hepatic arterial buffer response). This dual, reciprocally compensatory blood supply provides some protection from hepatic ischemia in healthy people

Normal hepatic waveform. As the right atrium contracts ( C ), flow out of the liver and toward the heart begins to slow and approach the baseline.Flow then reverses for a short phase and travels back into the liver ( C' ).As the right atrium starts to relax ( R ), flow in the hepatic vein converts from a retrograde direction to an antegrade direction and gradually increases in velocity. Hepatic portal vein carries blood and nutrients from the stomach, spleen, intestines and gall bladder to the liver. The hepatic vein carries deoxygenated blood from the liver back to the right atrium of the heart via the inferior vena cava The hepatic artery is more difficult than the hepatic veins to locate because of its small size and direction. Nevertheless, duplex Doppler is the primary screening procedure to show a patent hepatic artery after liver transplantation. Duplex Doppler has been used to measure portal blood flow Abdominal veins bring blood lacking in oxygen from the abdomen to inferior vena cava, which then drains to the right atrium. Abdominal organs have two venous systems, the systemic one which drains directly to inferior vena cava and the portal one which drains to the hepatic portal vein and then inferior vena cava through the liver The portal vein or hepatic portal vein (Latin: vena portae hepatis) is located in the upper right quadrant of the abdomen.It is typically 8 centimeters long in adults. The portal vein is responsible for carrying blood from the GI tract, gallbladder, pancreas, and spleen to the liver

ultrasound of liver segments anatomy | Ultrasound, Medical

Hepatic Veins & Right Heart Abnormalitie

Hepatic vein obstruction is a blockage of the hepatic vein, which carries blood away from the liver. The esophagus, stomach, large and small intestine, aided by the liver, gallbladder and pancreas convert the nutritive components of food into energy and break down the non-nutritive components into waste to be excreted The hepatic artery sends off small branches that form a dense mesh-like plexus surrounding the bile duct. A significant proportion of the hepatic arterial flow passes through the peribiliary plexus before it drains into the portal vein at or near where the portal vein and hepatic artery merge at the origin of sinusoids hepatic veins: [TA] the veins that drain the liver; they collect blood from the central veins and terminate in three large veins opening into the inferior vena cava below the diaphragm and several small inconstant veins entering the vena cava at more inferior levels. Synonym(s): venae hepaticae [TA

Normal hepatic vein Doppler Radiology Reference Article

The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver.This blood contains nutrients and toxins extracted from digested contents. Approximately 75% of total liver blood flow is through the portal vein, with the remainder coming from the hepatic artery proper The hepatic veins drain blood from the liver posteriorly into the retrohepatic inferior vena cava (IVC), 2 to 3 cm caudal to its junction with the Right atrium (RA). The left hepatic vein (LHV) and middle hepatic vein (MHV) drain the left lobe, Right hepatic vein (RHV) drains the right lobe of liver

Abdominal Applications - Case Sonography

Understanding the Spectral Doppler Waveform of the Hepatic

  1. The hepatic veins are three large intraparenchymal veins which drain the liver substance into the inferior vena cava (IVC), named the right hepatic vein, middle hepatic vein and left hepatic vein. The veins are important landmarks, running in between and hence defining the segments of the liver
  2. al hepatic veins, which appear narrowed or occluded with loose subintimal mesenchyme and edematous fibrous tissue (Fig. 40-21)
  3. 1. Middle hepatic vein: Divides the liver into right and left functional lobe. 2. Left hepatic vein: Divides left lobe into lateral and medial segments. Falciform ligament: left hepatic vein is located slightly left to the left hepatic vein; hence, falciform ligament roughly divides liver into right and left lobe. 3
  4. The pulmonary veins drain to the right atrium via the hepatic (liver) veins and inferior vena cava. In this type, the pulmonary veins join together behind the heart and then typically drain downwards, connecting to the liver's portal vein system. They then drain through the vascular bed of the liver and enter the right atrium from the hepatic.
  5. Two right hepatic veins were seen in 36 patients out of which 27 had common trunk and nine had independent drainage into the inferior vena cava (IVC). Common trunk of middle hepatic vein (MHV) and left hepatic vein (LHV) was seen in 405 (81%) and independent drainage of MHV and LHV into the IVC was seen in 95 (19%) of patients in our study
  6. al part of alimentary tract and transfer it to the liver. Hepatic vein is the vein of liver which collects the de-ox..

The hepatic artery is a branch of the coeliac trunk and provides 25% of blood to the liver. The portal vein, formed by the mesenteric and the splenic veins, supplies 75% of the blood to the liver. Firstly, oxygen is delivered to the liver from both of these arteries. Approximately 50% of oxygen demand is met by the portal vein and 50% by the. The portal vein is known as the hepatic portal vein (HPV), it is a type of blood vessel that carries blood from the alimentary canal, gallbladder, pancreas, and spleen and transfers to the liver. This blood contains nutrients and toxins that are extracted from the digested contents. Approximately 75% of total liver blood flow is through the. The goal of this procedure is diversion of portal blood flow into the hepatic vein. The stent is passed through the internal jugular vein over a wire into the hepatic vein, which is located using fluoroscopic guidance. This stent is then advanced through the hepatic parenchyma into the portal vein. This will decompress the portal circulation

The hepatic veins are a potentially more attractive parenchymal boundary for ultrasound, as they provide a natural interface between solid tissue (the liver parenchyma) and liquid (hepatic venous blood), two tissues with very different acoustic impedance and echogenicity (as occurs at the liver surface surrounded by ascites) Portal Vein. The normal portal vein demonstrates continuous antegrade flow and provides approximately 75% of blood supply to the liver. 5 Although minor degrees of respiratory phasicity are reported, these are difficult to appreciate with Doppler techniques since sampling is performed during suspended respiration. Because the hepatic sinusoids separate the portal veins from the heart, the. There are usually three main hepatic veins within the liver. They are the right, middle, and left hepatic veins. The hepatic veins increase in size toward the superior aspect of the liver, where they drain into the inferior vena cava. 3D Recent advances in imaging technology offer the user the ability to evaluate the portal venous system FIG. 1

what does it mean to say portal and hepatic veins are

  1. The hepatic portal vein is formed by the splenic and superior mesenteric veins. The inferior mesenteric vein drains into the splenic vein. The majority of blood from the abdomen runs through these 3 large veins. The following branches drain directly into the portal vein: Cystic vein. Right and left gastric veins
  2. Hepatic vein definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now
  3. a Doppler of the middle hepatic vein on Day 1 demonstrated S wave retrograde flow suggestive of tricuspid regurgitation and/or right heart failure.b Doppler of the right portal vein on Day 1 demonstrated pulsatile flow with intermittent flow cessation suggestive of venous congestion.c A net negative fluid balance of 1.9 L was achieved which resulted in on Day 2
  4. es how the liver is affected
  5. This is the preview of our full video about the hepatic portal vein. Learn more about one of the most important vessels in the human body and watch our full.
  6. 1- Occlusion of main hepatic veins (Budd-Chiari s syndrome).. In this condition the large hepatic veins emptying into the inferior vena cava are affected by a sudden thrombotic accident or a slow fibrous occlusion. At difference with Veno Occlusive Disease, here the occlusion occurs more frequently in the large hepatic veins at their entrance into the inferior vena cava
  7. Other veins that enter into the IVC through the spinal cord include the hepatic veins, inferior phrenic veins, and lumbar vertebral veins. The IVC's job is to drain all the blood from the lower half of the body including the feet, legs, thighs, pelvis, and abdomen

* The left hepatic vein, which is the largest and most cranial of the hepatic veins, terminates on the left lateral aspect of the caudal vena cava near the visceral surface of the diaphragm. About one third to one half of the left hepatic vein's circumference is encompassed by hepatic parenchyma or obscured by the left triangular ligament which the hepatic veins open directly into that chamber, would appear unlikely if it can occur at all. Forty-milliliter samples of blood were collected in heparinized syringes from the hepatic vein and femoral artery either simultaneously or within 2 minutes of one another. After a 20-to 30-minute interval, second sam-ples of both hepatic.

What causes dilated hepatic vein? - HealthCareMagi

The portal vein, approximately 6-8 cm in length and 1 cm in diameter, divides in the hilum of the liver into the left and right portal vein branches. Portal blood drains into hepatic sinusoids which drain into the inferior vena cava (IVC) through the hepatic veins. The major hepatic veins are the right, middle, and left hepatic veins The objective is to investigate the effect of obesity and hepatosteatosis on the Doppler waveform pattern of the hepatic veins. B-mode and duplex Doppler sonography of the liver and the right hepatic vein was performed in 102 obese subjects and 84 healthy volunteers. The severity of fatty infiltration was graded as mild, moderate and severe Hepatic vein thrombosis, also known as Budd-Chiari syndrome, is thrombus (blood clot) formation in the main hepatic vein. It is the obstruction of the hepatic venous outflow including the small hepatic veins to the entire hepatic and supra-hepatic inferior vena cava. Hepatic vein thrombosis occurs in 1 out of 100,000 people and commonly occurs. During hilar dissection and hepatectomy in the recipient, the left portal vein (LPV) and the 3 major hepatic veins were retained. Then, the recipient RHV was exposed and isolated from its root side by transecting the liver parenchyma in the cranial-to-caudal direction using ultrasonic shears and a bipolar coagulator (Fig. 1 C) Background. Spectral Doppler assessment of hepatic veins may provide information on heart function. Hypothesis/Objectives. To assess the normal pattern of hepatic venous flow using spectral Doppler ultrasound examination; to correlate this information with structural and functional variables of the right ventricle (RV), and to analyze the impact of age, sex, body weight quartiles, heart rate.

right hepatic veins: [TA] veins draining much of the right lobe of the liver (posterior lateral segment [VI] and right anterior lateral segment [VI] and the lateral parts of the posterior and inferior anterior medial segments [V and VII]) that merge to form a single or sometimes double trunk, draining into the right side of the suprahepatic. Symptomatic hepatic vein thrombosis has been observed in 1% of patients with primary myeloproliferative disease. [] At necropsy, thrombosis of large hepatic veins was found in 6% of patients with. Mean hepatic vein diameter was the mean of the right, middle, and left hepatic veins short-axis diameters. For all tests, a p value less than 0.05 was considered to be significant. Results: Overall, 37 of 127 patients were found with right-sided heart disease. The proportion of patients with right-sided heart. 06740ZZ Dilation of Hepatic Vein, Open Approach. 06743 Percutaneous. 06743D Intraluminal Device. 06743DZ Dilation of Hepatic Vein with Intraluminal Device, Percutaneous Approach. 06743Z No Device. 06743ZZ Dilation of Hepatic Vein, Percutaneous Approach. 06744 Percutaneous Endoscopic. 06744D Intraluminal Device

Hepatic veins - Wikipedi

Can invade portal and hepatic veins; CT scan in a patient with Multicentric hepatoma: CT scan in another patient with Hepatoma. Arrowheads point to the enhancing mass. Note the lobulated margins of the liver, lower density than spleen and ascites indicating underlying cirrhosis. Hepatoma with hemorrhage. NML is the normal liver density Samples collected from the adrenal vein draining into hepatic veins compose an admixture of blood with a high cortisol (and aldosterone) concentration draining the adrenal gland with blood coming from the liver. Because of hepatic metabolism of steroids, the latter blood carries a cortisol concentration much lower than systemic vein and adrenal. When you have a Hepatic Pressure, Gradient is high and the free Hepatic Pressure. Gradient is high basically because of back pressure is transmitted from the heart of from the IVC to the Hepatic Vein, as well as the sins. the reasons are the same, so both will be increased, but Http PPG will be normal Hepatic portal circulation. Inferior vena cava. Hepatic portal circulation. What is a portal system. A portal system carries blood from one capillary bed to another. Hepatic portal system. the veins that carry blood from the digestive organs to the liver. What is the source of blood for the hepatic portal system Hepatic Veins The bulk of hepatic venous flow is antegrade. Although there are moments of retrograde flow, the majority of blood flow must be antegrade to get back to the heart. Antegrade flow is away from the liver and toward the heart; thus, it will also be away from the transducer and, therefore, displayed below the baseline

The small hepatic veins draining the caudate lobe and right accessory vein(s) are ligated[12,14,16]. Some authors also describe the isolation and division of the RHV to prevent bleeding from the parenchymal side while mobilizing the liver[14,16], this vein is then oversewn. The portal vein is clamped Synonyms for Hepatic veins in Free Thesaurus. Antonyms for Hepatic veins. 1 synonym for hepatic vein: vena hepatica. What are synonyms for Hepatic veins The following findings were recorded: (1) tributaries of the middle hepatic veins (MHV) including segments V and VIII veins; (2) the presence of accessory inferior right hepatic vein (IRHV) or superficial right hepatic vein (SRHV); (3) the variable entering patterns of the RHV, MHV, and IRHV into IVC, and (4) the diameter of the veins at their point of connection to the major veins

The short hepatic vein was anastomosed to an existing IVC end to side.10 When the orifice of the short hepatic vein was located near those of the LHV and MHV, they were connected with the LHV and MHV using a vein patch. Finally, the hepatic veins of the liver graft were anastomosed with the recipient hepatic veins. Cryopreserved Veins The underlying conditions favoring or precipitating hepatic vein or inferior vena cava thrombosis must be recognized and treated. This essential part of therapy is beyond the scope of this review. This decrease was most prominent in the hepatic vein (26%), but less remarkable in the superior caval vein (5.7%) and the pulmonary veins (3.9%). During expiration, the peak diastolic flow in the superior caval and the hepatic veins decreased, while the reverse atrial flow in the hepatic vein increased (p < 0.05) The patient's middle hepatic vein was divided approximately 2 cm upstream from the root of the middle and left hepatic veins. The patient's postoperative course was uneventful until day 10, when a gradual increase in serum bilirubin levels and ascites formation were noted

hepatic veins papier in calligraphy, a brush movement where a horizontal line turns sharply downwards turbina PLA disigi limited jurisdiction jeton krijs so long late resuscito famous reputation contractor ellop emblem пакет (мешок) cromo symonia حادث عمل vehicle used by emergency services embêtant pentagramma a housewife. A normal hepatic vein spectral Doppler trace has four peaks (): A wave - a result of retrograde atrial systolic flow. It is seen below the baseline as blood flow is away from the transducer. S wave - a result of antegrade ventricular systolic flow. It is seen above the baseline as blood flow is towards the transducer The hepatic veins are large intraparenchymal veins which drain the liver into the inferior vena cava. They are usually three in number, named the right hepatic vein (RHV), middle hepatic vein (MHV) and left hepatic vein (LHV). The hepatic veins drain the deoxygenated blood from the liver into the inferior vena cava (IVC)

Medical Definition of Hepatic vein Medical Author: William C. Shiel Jr., MD, FACP, FACR Hepatic vein: One of the veins which drains blood from the liver Hepatic veins draining into the IVC. Click the image for labeling. Fig. 10-4-4. Lysed red cells in sinusoids a) Diaphragm. b) Inferior vena cava (with Hepatic veins ). c) Esophagus. d) Body of stomach (with... Fig. 10-4-3 .Congested sinusoids « previous image | next image » [ RU ] Ultrasound image description: Hepatic vein Pulsed-wave Doppler interrogation of the hepatic veins (HVs) provides a window to right heart hemodynamics and function. Various pathologies that involve the right heart are manifested on the HV Doppler depending on the location and severity of the involvement and its hemodynamic consequences Right hepatic vein: lateral or posterolateral orientation Middle and left HVs form a common trunk before joining IVC in 65-85%. A second lower group of HVs arising from the caudate and right lobes are also present and vary in number. Large-caliber veins from the lower right lobe (inferior right HVs) are seen in 15%..

Pig FUNCTIONS at Indian River State College - StudyBlue

Hepatic Vein Occlusion Presentation Entire Body System Hyperthermia, keywords Hyperthermia, Liver neoplasms, Oncology, Radiofrequency (RF) ablation, Vascular occlusion, author Deepak Sudheendra and Ziv Neeman and Anthony Kam and Julia Locklin and Libutti, {Steven K.} and Wood, {Bradford J. [jhu.pure.elsevier.com The hepatic lobule is the structural unit of the liver. It consists of a roughly hexagonal arrangement of plates of hepatocytes radiating outward from a central vein in the center. At the vertices of the lobule are regularly distributed portal triads, containing a bile duct and a terminal branch of the hepatic artery and portal vein The hepatic circulation is the most complex in the body by virtue of its dual blood supply, with 75% of afferent blood flow provided by the portal vein and the remaining 25% provided by the hepatic artery. Within the liver parenchyma, portal veins and hepatic arteries arborize together along the efferent bile ductule A catheter malposition may end up in the hepatic vein as was the case in our study. Four similar cases were found in literature.7-9. Catheter malposition may lead to fatal outcomes and ineffective dialysis. The malpositioned permanent catheters were diagnosed after a few months from placement when searching for the etiology of nonfunctioning.

Anatomical Variations of Hepatic Veins: Three-Dimensional

Hepatic venous waveform (HVW) is useful in the noninvasive evaluation of severity of portal hypertension; biphasic and monophasic HVW are associated with severe portal hypertension.8-10 Cirrhosis of the liver results in loss of compliance in hepatic veins and leads to portal hypertension and may reflect as biphasic or monophasic waves which are. Hepatic veins -. Venae hepaticae. Anatomical hierarchy. General Anatomy > Cardiovascular system > Veins > Inferior vena cava > Hepatic veins. Anatomical children. Intermediate hepatic vein Left hepatic vein Right hepatic vein. Translations

Hepatic portal vein: Anatomy, function, clinical points

The hepatic vein (HV) is the only draining vessel in the liver, which has two supplying vessels, from the liver sinus to the inferior vena cava (IVC). The thin-walled veins are anechoic under ultrasonography, do not have valves, and can be distinguished from the portal vein. The spectrum of HVs can reflect changes in blood flow through the. The hepatic portal veins are located below the heart and by the spleen. The hepatic portal veins are located near the spleen to transport blood with nutrients from food. The hepatic portal veins are a vessel that lead blood from the gastrointestinal tract and the spleen and to the liver. The liver receives 75% from the hepatic portal veins. The hepatic portal veins will also receive blood from.

Imaging and Intervention in the Hepatic Veins : American

The hepatic artery is a branch of the caeliac artery. The portal vein is formed by tributaries draining the spleen, pancreas and digestive tract. Intrahepatic arteries combine with portal vein branches to supply the connective tissue and hepatic sinusoids of the liver. Blood flows from the portal areas into the central vein Figure 2-7 Hepatic veins. A transverse sonogram showing right (2),middle (3),and left (4) hepatic veins draining into the inferior vena cava (1). GB ST Figure 2-8 Portal and hepatic veins. A transverse sono-gram showing a section of portal vein (PV) with its hyper-echoic borders adjacent to a section of hepatic vein (HV)

Visible JVP in HD! - YouTubeLiver Model (Exam #3) - YouTubeLiver Atlas: Diagnosis: Cirrhosis

Anatomy: Continues to arise from the liver just inferior to the diaphragm. Function: Receives venous blood from the right, middle, and left hepatic veins of the liver and returns it to the right side of the heart for distribution to the lungs for oxygenation. Clinical Considerations: Vascular Status Assessment: Using ultrasound the IVC diameter and degree of collapse between inspiration and. A hepatic vein is any of the veins that are used to carry oxygen-depleted blood out of the liver and into the inferior vena Budd-Chiari syndrome occurs when a hepatic vein outflow is blocked by an obstruction in a hepatic vein, the inferior vena cavaA hepatic vein is any of the veins that carry oxygen depleted blood out of the liver and into the inferior vena cava Anatomy. The liver is unusual in that it has a double blood supply; the right and left hepatic arteries carry oxygenated blood to the liver, and the portal vein carries venous blood from the GI tract to the liver. The venous blood from the GI tract drains into the superior and inferior mesenteric veins; these two vessels are then joined by the. Related WordsSynonymsLegend: Switch to new thesaurus Noun 1. hepatic vein - a vein that drains the liver; empties into the vena cava vena hepatica liver - large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of. Other articles where Hepatic portal system is discussed: circulatory system: The blood vessels: They are called the hepatic (liver) and renal (kidneys) portal systems. The hepatic system is important because it collects blood from the intestine and passes it to the liver, the centre for many chemical reactions concerned with the absorption of food into the body and the control of substance