NEET BIOLOGY

Detailed explanation-1: -The hepatic portal vein carries blood from the intestine to the liver before it is delivered to the systemic circulation. It carries the nutrient-rich blood to the liver which is further processed there and returned back to the heart via inferior vena cava.

Detailed explanation-2: -The portal vein (PV) is the main vessel of the portal venous system (PVS), which drains the blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver.

Detailed explanation-3: -The portal vein receives drainage from the gallbladder, spleen, pancreas, stomach, and small and large intestines. The portal vein forms from the confluence of the superior and inferior mesenteric veins, the splenic vein, gastric vein, and cystic vein.

Detailed explanation-4: -Hepatic portal vein. A blood vessel that carries blood containing nutrients and oxygen from the digestive tract and spleen into the liver.