اناٹومی مطالعاتی نوٹ · Abdomen
Portal vein
The vein draining the abdominal gut (lower oesophagus to mid anal canal), spleen, pancreas and gallbladder into the liver. About 5 cm long, it forms behind the neck of the pancreas from the superior mesenteric and splenic veins.
اہم نکات
- SMV + splenic vein behind the pancreatic neck.
- IMV → splenic vein.
- Behind the bile duct and hepatic artery in the lesser omentum.
- Carries 70% of liver blood.
- Anastomoses: oesophagus, anal canal, umbilicus, retroperitoneum.
- Portal vein: vitelline veins + dorsal anastomosis.
- Ductus venosus → ligamentum venosum.
- Vein: thin wall, adventitia thickest, valves.
- Veins hold ~70% of the blood.
اٹلس میں مکمل نوٹ میں یہ بھی شامل ہے
Course · Tributaries · Histology · Development · طبی اہمیت
مفت سائن اِن کریں تاکہ اسے 3D ماڈل پر دیکھیں، مکمل نوٹ پڑھیں اور اس پر سوالات کی مشق کریں۔
ماخذ
- Snell’s Clinical Anatomy by Regions, 10th ed., ch. 7, PDF pp. 897–902, 959–960
- Inderbir Singh’s Human Embryology, ch. 15, PDF pp. 260–262, 275
- BRS Cell Biology & Histology, 7th ed., ch. 11, PDF pp. 203–205
abdomen سے مزید
- Psoas major
- Pyramidalis
- Quadratus lumborum
- Rectus abdominis
- Renal arteries and veins
- Spleen
- Stomach
- Superficial epigastric vessels
- Superior mesenteric artery
- Suprarenal gland
- Testicular vessels
- Testis
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