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Home Lifestyle Health

Anatomy of the Hepatic Veins

by admin
September 29, 2021
in Health
0
Anatomy of the Hepatic Veins

The Anatomy of the Hepatic Veins will be explained in this essay. The hepatic veins transport deoxygenated blood from the liver to the inferior vena cava (IVC), which then returns it to the heart’s right chamber. There are three major hepatic veins– the left, middle, and right– that correspond to the left, centre, and right sections of the liver. These structures are derived from the lobule of the liver and are responsible for transporting blood from the colon, pancreas, small intestine, and stomach.

They’re widely used as anatomical landmarks to show regions of the liver, despite the fact that their anatomy varies greatly.

Table of Contents

  • The Hepatic Veins: Anatomy
    • Structure & Location of Anatomy
    • Variations in Anatomy
    • Function
    • Medical Importance
    • Conclusion:

The Hepatic Veins: Anatomy

Here are some specifics regarding hepatic veins that you may learn about in this article:

Budd-Chiari syndrome is a rare disease that occurs when these veins become obstructed and blood cannot drain from the liver. Hypertension in these veins– hypertension in these veins– can also occur as a result of chronic liver disease. Notably, this is a common symptom of liver cirrhosis.

Structure & Location of Anatomy

The hepatic veins drain blood to the IVC from the core vein major liver lobule– a portion of the liver. And the diameter of these veins varies between 6 and 15 millimetres (mm), and they’re named by the area of the liver they cover. These are the following:

– Right hepatic vein: The ideal hepatic vein is the longest of the hepatic veins and is located in the right portal crack, which separates the liver into anterior (front-facing) and posterior (rear-facing) parts.

–  Middle hepatic vein:
This vein divides the liver into right and left lobes and passes through the middle website crack.

It runs parallel to the IVC.

– Left hepatic vein: Located in the left website crack, this vein divides the liver’s left lobe into more median and lateral parts.

– Caudate lobe veins: These terminal veins drain blood from the arteries directly into the IVC.

They start with the caudate lobe, which is connected to the right ear of the liver by the caudate process, a narrow structure.

Variations in Anatomy

Changes to the anatomy of the hepatic veins are not uncommon, and they affect about 30% of the population.

The best hepatic vein will be damaged in the vast majority of cases. Doctors have noticed early bifurcation (splitting into two) or trifurcation (breaking into three) of this vein as it drains into the IVC, with some people having two of them. The centre and left hepatic veins do not always form a single vein and instead run separately. In addition, instead of many caudate lobe veins, there may just be one.

Function

The hepatic veins’ primary role is to serve as a crucial cog in the circulatory system. They use the IVC to return deoxygenated blood from the liver and other lower gastrointestinal organs like the colon, small intestine, stomach, and pancreas to the heart. Because the liver is responsible for filtering blood as it passes through the digestive system, these veins are extremely important for overall health.

Medical Importance

As previously stated, problems with the liver can affect the hepatic veins and vice versa. Cirrhosis is a disorder in which the liver tissue scars as a result of a variety of diseases, including liver disease B, alcoholism, and congenital diseases, to mention a few.

Blood flow is low in certain circumstances, and the veins can develop high blood pressure (hypertension), which can be exceedingly harmful. Budd-Chiari syndrome is a rare condition caused by clots in the hepatic veins. Swelling of the liver and spleen is a symptom of this condition, which can occur by blood flow distubed as a result of these obstructions.

It also puts more strain on these veins, causing fluid to accumulate in the belly. As a result, varicose veins in that area of the body might develop– swollen and deformed large veins near the surface of the body– and this is one of the conditions that can lead to liver cirrhosis. Fatigue, stomach pain, jaundice (yellowing of the skin), queasiness, and bleeding in the oesophagus are some of the other symptoms. If you suspect you have any of these issues, you should seek medical help as soon as possible.

Conclusion:

This article has discussed the Anatomy of the Hepatic Veins. It can be very helpful to people looking to keep themselves healthy and avoid different diseases. Keep visiting us for other health articles. Until the next time. Goodbye!

 

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