Hepatic Portal System Diagram

What is a Portal System?

A Portal System is a system of blood vessels that has a capillary network at each end. In other words, a portal system is an arrangement of blood vessels such that blood passes from a capillary bed into larger blood vessels and then into another capillary bed. Ordinarily, blood flows from a capillary bed into the venous system and eventually back into the heart. In the case of a portal system blood flows from a capillary bed into the venous system but then flows through another capillary bed before returning to the heart....

What is the Hepatic Portal System?

In the Hepatic Portal System, venous drainage from most of the gastrointestinal tract, the spleen, and the pancreas, pools into the portal vein to reach the liver, before returning to the heart. This way, all substances absorbed through the GI tract, including nutrients, toxins, and pathogens, are first processed in the liver before they can reach the general circulation....

Veins that make up the Hepatic Portal System

These are the veins that collectively make a hepatic portal system:...

Anatomy of the Hepatic Portal System

It is the hepatic portal vein that receives blood from the organs of the gastrointestinal tract and provides blood to the liver. More specifically, the inferior mesenteric vein and the small gastric vein drain into the splenic vein, and the splenic vein drains into the hepatic portal vein. The superior mesenteric vein, right gastric vein, and left gastric vein all drain into the hepatic portal vein. Thus the hepatic portal vein receives venous blood from the stomach the small intestines, and the large intestine as well as venous blood from the gallbladder, spleen, and pancreas....

Hepatic Portal System Diagram

The following is a labelled diagram of hepatic portal system:...

Function of the Hepatic Portal System

The function of Hepatic Portal Systems is:...

Significance Of Hepatic Portal System

Hepatic Portal System is important because of the following reasons:...

FAQs on Hepatic Portal System

1. What are the Three Portal systems Found in the Human Body?...