tailieunhanh - Pocket Atlas of Human Anatomy 4th edition - part 6

Tĩnh mạch cửa gan. Portae tĩnh mạch gan. Nó mang đến cho máu từ đường ruột gan. Các hình thức anastomoses quan trọng để các tĩnh mạch thực quản, trực tràng đám rối tĩnh mạch và các tĩnh mạch bề mặt của da bụng. Chi nhánh phải. Ramus ở bên phải. Mạnh mẽ chi nhánh phải ngắn hơn của tĩnh mạch cửa. | Veins 247 A Veins of posterior thoracic and abdominal walls 17 B Veins of vertebrae 22 27 22 C Inferior vena cava 12 Feneis Pocket Atlas of Human Anatomy 2000 Thieme All rights reserved. Usage subject to terms and conditions of license. 248 Veins 12 1 PORTAL VEIN OF LIVER. Vena portae hepatis. It brings blood from the intestinal tract to the liver. Forms important anastomoses to esophageal veins rectal venous plexus and the superficial veins of the abdominal skin. A 2 Right branch. Ramus dexter. Strong shorter right branch of portal vein. It forms bifurcations in the right lobe of the liver that extend as far as the interlobular veins. A 3 Anterior branch. Ramus anterior. It supplies the anterior part of the right lobe. A 4 Posterior branch. Ramus posterior. It supplies the posterior part of the right lobe. A 5 Left branch. Ramus sinister. Longer and somewhat more slender branch supplying the left lobe as well as the caudate and quadrate lobes. A 6 Transverse part. Pars transversa. Initial segment of left branch coursing transversely into liver hilum. A 7 Caudate branches. Rami caudati. Twigs to caudate lobe. A 8 Umbilical part. Pars umbilicus. Sagittal continuation of the left branch into the left lobe. A 9 Ductus venosus . Embryonic vein uniting umbilical vein and inferior vena cava. Bypasses the liver. B 10 Ligamentum venosum. Lig. venosum. Connective tissue vestige of the ductus venosus in the groove for the ligamentum venosum. B 11 Lateral branches. Rami laterales. Branches to the quadrate lobe and part of the caudate lobe. 12 Left umbilical vein. V. umbilicalis sinistra. Embryonic vein joining the portal vein in the liver. It carries cord blood to the right atrium partly via the ductus venosus and inferior vena cava. B 13 Round ligament of liver. Lig. teres hepatis. Connective tissue remains of left umbilical vein. A 14 Medial branches. Rr. mediales. Branches of the umbilical part extending to anterior portion of left lobe of liver. A 15 Cystic vein. V. .