SCIENCE
CIRCULATORY SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Coronary vein f
|
|
|
Hepatic vein
|
|
|
Renal vein
|
|
|
Hepatic portal vine
|
Detailed explanation-1: -A vein that starts with capillaries and ends in capillaries is called portal vein.
Detailed explanation-2: -The blood vessel that begins and ends in capillaries is the Hepatic portal vein. It connects the liver directly to the other organs of the abdomen. It is the only vein not connected to the heart by any large blood vessel. Instead, it connects other organs of the abdomen by small veins and capillaries.
Detailed explanation-3: -Listen to pronunciation. (heh-PA-tik POR-tul vayn) A blood vessel that carries blood to the liver from the intestines, spleen, pancreas, and gallbladder. Also called portal vein.
Detailed explanation-4: -The hepatic portal vein (Figs 4.60, 4.61) is formed by the union of the superior mesenteric and the splenic veins behind the neck of the pancreas. The inferior mesenteric vein may join the splenic vein or the superior mesenteric vein. The portal vein thus drains blood from most of the gastrointestinal tract.
Detailed explanation-5: -All mammals have a hepatic portal system which carries blood from the digestive tract to the liver for various metabolic activities.