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.
Which organs drain blood into the portal vein?
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.
Which veins drain into the inferior vena cava?
Inferior vena cavaSourcecommon iliac vein lumbar veins testicular vein renal vein suprarenal vein hepatic veinDrains toRight atriumArteryabdominal aorta
Which veins drain the diaphragm?
The venous drainage of the diaphragm includes the brachiocephalic veins, azygos veins, and the smaller tributaries of both the inferior vena cava and the left suprarenal vein.What is portal vein?
A blood vessel that carries blood to the liver from the intestines, spleen, pancreas, and gallbladder. Also called portal vein.
Which of the following is an example of a portal vein?
The portal vein or hepatic vein 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. Examples of portal veins are venous blood to the liver.
What is the portal vein system?
The portal venous system and hepatic veins are a paired network of valveless veins responsible for blood from all of the abdominal viscera, excluding the kidneys and adrenal glands. Before reaching the heart the blood collected by the tributaries of the portal vein passes through the hepatic sinusoids.
How the portal vein is formed?
The hepatic portal vein is a vessel that moves blood from the spleen and gastrointestinal tract to the liver. It is approximately three to four inches in length and is usually formed by the merging of the superior mesenteric and splenic veins behind the upper edge of the head of the pancreas.Which veins drain into left renal vein?
Renal Veins The left gonadal vein will drain into to left renal vein. The right gonadal vein drains directly into the inferior venal cava.
What does superior mesenteric vein drain into?Drains fromUnion of tributaries from the terminal ileum, caecum and vermiform appendixDrains toHepatic portal vein
Article first time published onWhat vein drains the anterior and posterior tibial veins?
OriginLateral and medial plantar veinsDrains toPopliteal veinDrainage areaPosterior muscles of leg, ankle joint, sole of the foot
Which veins drain into the superior vena cava?
The superior vena cava is formed by the left and right brachiocephalic or innominate veins, which receive blood from the upper limbs, eyes and neck, behind the lower border of the first right costal cartilage.
What vein drains the radial and ulnar veins?
Drains fromDeep palmar archDrains toBrachial veinsDrainage areaMedial aspect of forearm
Where does the hepatic vein drain into?
The right hepatic vein drains directly into the inferior vena cava (IVC), while the left and middle hepatic veins usually merge before draining into the IVC via a common trunk.
Where does the inferior mesenteric vein drain into?
The inferior mesenteric vein, a continuation of the superior rectal vein, accompanies the inferior mesenteric artery and usually drains into the splenic vein.
Which veins drain the small intestine?
The splenic vein drains the stomach, the superior mesenteric vein drains the upper small intestine, while the inferior mesenteric vein drains the distal portions of the colon.
Which veins drain blood from the posterior abdominal wall?
The inferior vena cava receives the lumbar veins draining the lateral and posterior abdominal wall. The right lumbar veins are shorter and enter the posterior surface of the inferior vena cava directly.
What are the 3 portal systems?
Examples of such systems include the hepatic portal system, the hypophyseal portal system, and (in non-mammals) the renal portal system. Unqualified, portal venous system often refers to the hepatic portal system. For this reason, portal vein most commonly refers to the hepatic portal vein.
What drains blood from the liver?
The blood drains out of the liver via the hepatic vein. The liver tissue is not vascularised with a capillary network as with most other organs, but consists of blood filled sinusoids surrounding the hepatic cells.
Which of following is an example of a portal?
Explanation : Yahoo is an example of a portal. Yahoo! is an Internet portal that incorporates a search engine and a directory of World Wide Web sites organized in a hierarchy of topic categories.
Are hepatic portal vein and hepatic vein the same?
The liver has a dual blood supply. The portal vein (which is rich in nutrients and relatively high in oxygen) provides two thirds of blood flow to the liver. The hepatic artery (which is oxygen-rich) supplies the rest. The hepatic veins drain the liver into the inferior vena cava.
What drains into the left renal?
The left renal vein is usually slightly more cephalad than the right. It receives drainage from the left gonadal, left inferior phrenic, and left adrenal veins. Renal vein anomalies are common.
What is femoral vein?
A large blood vessel of the thigh, the femoral vein is a major pathway in which blood from the lower limbs travels on its way back to the heart. … This paired vessel, meaning it is located in both legs, is the main deep vein of the thigh, making it critical for lower limb and foot function.
Where does the right inferior phrenic vein drain?
The Inferior Phrenic Veins drain the diaphragm and follow the course of the inferior phrenic arteries. The right ends in the inferior vena cava.
What vein drains the large intestine?
In human anatomy, the inferior mesenteric vein (IMV) is a blood vessel that drains blood from the large intestine.
What vessels drain into the brachial vein?
Brachial veinsDrains toaxillary veinArterybrachial arteryIdentifiersLatinvenae brachiales
Which vein drains the small intestine quizlet?
Hepatic Portal Veins. Formed from smaller veins that drain the Small Intestine, Cecum and the Large Intestine to the midpoint of the Transverse Colon. Drains the Remainder of the Colon and Rectum not completed by the SMV.
Which vein drains the calcaneus?
The peroneal vein is doubled and drains the lateral aspect of the foot surrounding the calcaneal confluent and the ankle, passing upward and posteriorly through the calf, as well as passing posteriorly and medially to the fibula.
What vein drains into the popliteal vein?
The popliteal vein is a deep vein of the leg. It drains blood away from the leg into the femoral vein, which drains blood to the inferior vena cava to return to the right atrium of the heart.
What does great saphenous vein drain?
The great saphenous vein is a large superficial vein of the lower limb. It drains into the femoral vein, which is the medial most structure in the femoral triangle. … The point at which it drains into the femoral vein is known as the saphenofemoral junction.
Which of the following veins drains into the brachiocephalic vein except?
Brachiocephalic veinSourceInternal jugular subclavian superior intercostal vertebral inferior thyroidDrains toSuperior vena cavaArteryBrachiocephalic artery
