Portal Circulation | Digestive Tract Liver and Kidneys 👨‍⚕️

#drnajeeb #medicaleducation #drnajeeblectures #portalcirculation

Portal Circulation | Digestive Tract Liver and Kidneys 👨‍⚕️

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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
00:00:00 Normal blood flow pathway
00:00:46 Blood supply to GIT
00:03:10 Portal circulation
00:03:50 Portal Circulation in Kidneys
00:07:15 Recap

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The portal vein drains almost all of the blood from the digestive tract and empties directly into the liver. This circulation of nutrient-rich blood between the gut and liver is called the portal circulation.

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 blood leaves the liver to the heart in the hepatic veins.

The portal vein is not a true vein, because it conducts blood to capillary beds in the liver and not directly to the heart. It is a major component of the hepatic portal system, one of three portal venous systems in the human body; the others being the hypophyseal and renal portal systems.

The portal vein is usually formed by the confluence of the superior mesenteric, splenic veins, inferior mesenteric, left, right gastric veins and the pancreatic vein.

Conditions involving the portal vein cause considerable illness and death. An important example of such a condition is elevated blood pressure in the portal vein. This condition, called portal hypertension, is a major complication of cirrhosis. In abdominal obesity fats, inflammatory cytokines and other toxic substances are transported by the portal vein from visceral fat into the liver, leading to hepatic insulin resistance and non-alcoholic fatty liver disease.
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[divyanshtiwari]

Love from India how simply you clear my confusion sir thanks alot

[sayedajansahadat]

Salam Ulkim
Sir
I am your student here in Kabul
And I want to participate in your live webner how do I can .

[_.]

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[parasrawatvlogs]

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