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Hepatic vein

 

 
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Hepatic vein
 
 
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In human anatomy
Human anatomy

Human anatomy, which, with physiology and biochemistry, is a complementary basic medical science is primarily the scientific study of the morphology of the adult human body....
, the hepatic veins are the blood vessel
Blood vessel

The blood vessels are the part of the circulatory system that transport blood throughout the body. There are three major types of blood vessels: the artery, which carry the blood away from the heart, the capillary, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from...
s that drain de-oxygenated blood
Blood

Blood is a specialized bodily fluid that delivers necessary substances to the body's Cell s ? such as nutrients and oxygen ? and transports waste products away from those same cells....
 from the liver
Liver

The liver is a vital organ present in vertebrates and some other animals; it has a wide range of functions, a few of which are detoxification, protein synthesis, and production of biochemicals necessary for digestion....
 and blood cleaned by the liver (from the stomach
Stomach

In most mammals, the stomach is a hollow muscular organ of the gastrointestinal tract involved in the second phase of digestion, following mastication....
, pancreas
Pancreas

The pancreas is a gland Organ in the digestive system and endocrine system of vertebrates. It is both an endocrine gland , as well as an exocrine gland, secreting pancreatic juice containing Digestion enzymes that pass to the small intestine....
, small intestine
Small intestine

In vertebrates, including mammals, reptiles, birds, and bony fish, the small intestine is the part of the gastrointestinal tract following the stomach, and is where the vast majority of digestion takes place....
 and colon
Colon (anatomy)

The colon is the last portion of the digestive system in most vertebrates; it extracts water and salt from feces before they are defecation from the body....
) into the inferior vena cava
Inferior vena cava

The inferior vena cava is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart....
.

They arise from the substance of the liver, more specifically the central vein
Central vein

Central vein can refer to:* Central veins of liver* Central retinal vein...
 of the liver lobule.






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Encyclopedia


In human anatomy
Human anatomy

Human anatomy, which, with physiology and biochemistry, is a complementary basic medical science is primarily the scientific study of the morphology of the adult human body....
, the hepatic veins are the blood vessel
Blood vessel

The blood vessels are the part of the circulatory system that transport blood throughout the body. There are three major types of blood vessels: the artery, which carry the blood away from the heart, the capillary, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from...
s that drain de-oxygenated blood
Blood

Blood is a specialized bodily fluid that delivers necessary substances to the body's Cell s ? such as nutrients and oxygen ? and transports waste products away from those same cells....
 from the liver
Liver

The liver is a vital organ present in vertebrates and some other animals; it has a wide range of functions, a few of which are detoxification, protein synthesis, and production of biochemicals necessary for digestion....
 and blood cleaned by the liver (from the stomach
Stomach

In most mammals, the stomach is a hollow muscular organ of the gastrointestinal tract involved in the second phase of digestion, following mastication....
, pancreas
Pancreas

The pancreas is a gland Organ in the digestive system and endocrine system of vertebrates. It is both an endocrine gland , as well as an exocrine gland, secreting pancreatic juice containing Digestion enzymes that pass to the small intestine....
, small intestine
Small intestine

In vertebrates, including mammals, reptiles, birds, and bony fish, the small intestine is the part of the gastrointestinal tract following the stomach, and is where the vast majority of digestion takes place....
 and colon
Colon (anatomy)

The colon is the last portion of the digestive system in most vertebrates; it extracts water and salt from feces before they are defecation from the body....
) into the inferior vena cava
Inferior vena cava

The inferior vena cava is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart....
.

They arise from the substance of the liver, more specifically the central vein
Central vein

Central vein can refer to:* Central veins of liver* Central retinal vein...
 of the liver lobule. None of the hepatic veins have valves.

Groups

They can be differentiated into two groups, the upper group and lower group.

  • The upper group typically arises from the posterior aspect of the liver, are three in number, and drain the quadrate lobe and left lobe.
  • The lower group arise from the right lobe and caudate lobe, are variable in number, and are typically smaller than those in the upper group.


Pathology

Occlusion of the hepatic vein
Vein

In the circulatory system, veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary vein and umbilical veins, both of which carry oxygenated blood....
s is known as Budd-Chiari syndrome
Budd-Chiari syndrome

In medicine , Budd-Chiari syndrome is the clinical picture caused by occlusion of the hepatic veins. It presents with the classical triad of abdominal pain, ascites and hepatomegaly....
.

External links

  • - Describes the liver lobule and central vein.
  • - medterms.com

Images of the hepatic veins

  • - Ultrasound
    Medical ultrasonography

    Diagnostic sonography is an ultrasound-based diagnostic medical imaging technique used to visualize subcutaneous body structures including tendons, muscles, joints, vessels and internal organs for possible pathology or lesions....
     - University of the Health Sciences in Bethesda, Maryland
  • - MeVis Distant Services
  • - CT angiogram - - Havard Medical School.


Additional images