Anatomy
·Abdomen
Portal Venous System
⭐ PREMIUM
The portal vein carries nutrient-rich blood from the gut to the liver. Porto-systemic anastomoses are central to portal hypertension.
FORMATION
• Splenic vein + superior mesenteric vein unite behind the neck of the pancreas → portal vein.
• Inferior mesenteric vein usually drains into the splenic vein.
• No valves; ~75% of hepatic blood flow.
PORTO-SYSTEMIC ANASTOMOSES — high-yield (sites of…
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