The hepatic portal system is the venous system that returns blood from the digestive tract and spleen to the liver where raw nutrients in blood are processed before the blood returns to the heart. It is also called the portal venous system although it is not the only example of a portal venous system and splanchnic veins which is not synonymous with hepatic portal system and is imprecise as it means visceral veins and not necessarily the veins of the abdominal viscera.
Portal System Representation Of The Portal System Of The
In human anatomy the hepatic portal system is the system of veins comprising the hepatic portal vein and its tributaries.
Portal system anatomy. There is a mixing of portal and systemic blood circulation within the sinusoids and all the blood eventually drains from the liver via the hepatic veins to the inferior vena cava. Hepatic portal vein. A vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
Anatomy is a branch of natural science which deals with the structural organization of living things. Understanding how it works can also help you in improving your understanding of human anatomy in general. They are called the hepatic liver and renal kidneys portal systems.
The blood vessels lower vertebrates have two so called portal systems areas of the venous system that begin in capillaries in tissues and join to form veins which divide to produce another capillary network en route to the heart. It is an old science having its beginnings in prehistoric times. 4 the hepatic portal system corresponds to the approximate ar c 1 indicate the veins that constitute the hepatic portal syste c 2 identify the incorrect statement about the liver and its bl r and l gastric vv.
While the hepatic portal system is also often referred to as the portal venous system. Portal system noun anatomy. The hepatic portal system consists of numerous veins and tributaries including the hepatic portal vein.
Anatomy greek anatomē dissection is the branch of biology concerned with the study of the structure of organisms and their parts. The portal venous system drains the intestines pancreas and spleen with numerous collateral anastomoses to other venous beds of the abdomen. Essentially it drains the structures supplied ultimately by the celiac except for the gonads anterior mesenteric gastrosplenic and posterior mesenteric arteries.
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