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12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
12e mesentery
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12e mesentery

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  • 1. Erika Bálint, M.D.
  • 2. mesentery: visceral layer of the peritoneum, thatreaches the small intestines, covers them andattaches them to the posterior abdominal wall(radix mesenterii)the edge of the intestinal wall that connects withthe mesentery is called the mesenterial edge,the opposite is the antimesenterial edgethe supplying vessels and nerves of the smallintestines run within the mesentery
  • 3. antimesenterial edgemesenterial edge
  • 4. Mesenterial vessels
  • 5. abdominal aorta: the descending aortafrom the aortic hiatus downwardsBranches:1. Parietal2. Paired visceral3. Unpaired visceral
  • 6. 1. inferior phrenic artery: right below theaortic hiatus on the inferior surface of thediaphragm (superior suprarenal artery)2. lumbal arteries: 4 pairs of segmentalarteries3. medial sacral artery: rudimentary inhumans
  • 7. 1. medial suprarenal artery: to anteriorsurface of the suprarenal glands2. renal artery (L1): to the hilum of thekidneys (inferior suprarenal artery)3. testicular artery or ovaric artery (L1): : part of the spermatic cord, : in the suspensory ligament of the ovaries
  • 8. 1. coeliac trunk (Th12-L1) (tripus Halleri)2. superior mesenteric artery (L1)3. inferior mesenteric artery (2-3 fingersabove the division of the abdominal aorta)
  • 9. Coeliac trunk coeliac trunk left gastric artery common hepatic artery short gastric arteries anastomosis splenic artery proper hepatic artery right gastric artery pancreatic branches left gastroepiploic arteryright branch left branchcystic artery anastomosis gastroduodenal artery right gastroepiploic artery superior pancreaticoduodenal arteries anastomosis
  • 10. A. mesenterica superior anastomosis inferior pancreaticoduodenal marginal artery of the colon arteries (Drummond-artery) medial colic artery Anastomosis of Riolan superior mesenteric artery jejunal arteriesright colic artery ileal arteries ileocolic arteries left colic artery caecal arteries appendicular artery
  • 11. Inferior mesenteric artery left colic artery inferior mesenteric artery sigmoid arteries Sudeck-point internal iliac artery rectosigmoid sigmoid ima artery artery superior rectal arteryinternal pudendal artery medial rectal artery inferior rectal artery
  • 12. Collects the blood of the unpaired abdominalvisceraForms from splenic vein and superiormesenteric veininferior mesenteric vein connects to this system(generally opens into the splenic vein)coronary veins of the stomach open into theportal vein directlyPORTAL CIRCULATION!
  • 13. superior vena cava inferior vena cava portal veinazygos vein /hemiazygos vein coronary veins of the stomach (left gastric vein) esophageal veins
  • 14. inferior vena cava common iliac vein portal vein internal iliac vein inferior mesenteric vein internal pudendal veininferior rectal vein medial rectal vein superior rectal vein rectal venous plexus
  • 15. superior vena cava inferior vena cavabrachiocephalic vein common iliac vein external iliac vein subclavian vein femoral vein axillary vein portal vein greater saphenous vein thoracoepigastric vein superficial epigastric vein paraumbilical veins

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