More Related Content Similar to Blood Supply and Venous Drainage of the Gastrointestinal Tract and Liver Similar to Blood Supply and Venous Drainage of the Gastrointestinal Tract and Liver (20) More from meducationdotnet More from meducationdotnet (20) Blood Supply and Venous Drainage of the Gastrointestinal Tract and Liver1. Blood supply and venous
drainage of the gastro-intestinal
tract and liver
Raymond G Buick
Paediatric Surgeon
Birmingham UK
10. Approximate length of the adult gut
• The SMALL intestine = 7m long
• The LARGE intestine = 1.5 m long
• Stomach = 0.5 m
• TOTAL = 9 m
15. upper and lower GI tracts
Embryological – 1 foregut
2
3
FOREHEAD
BEHIND
FOREGUT
16. upper and lower GI tracts
Embryological – 1 foregut
2
3 hindgut
FOREHEAD
BEHIND
HINDGUT
FOREGUT
17. upper and lower GI tracts
Embryological – 1 foregut
2 midgut
3 hindgut
MIDGUT
HINDGUT
FOREGUT
18. upper and lower GI tracts
Embryological – foregut
midgut
hindgut
HINDGUT
FOREGUT
MIDGUT
FOREGUT
HINDGUT
26. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
– left gastro-epiploic artery
– short gastric arteries
– pancreatic branches
27. Coeliac Artery
left gastric artery
oesophageal branch
hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
– left gastro-epiploic artery
– short gastric arteries
– pancreatic branches
28. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
right gastric artery
gastro-duodenal artery
right gastro-epiploic artery
superior pancreatico-duodenal artery
splenic artery
– left gastro-epiploic artery
– short gastric arteries
– pancreatic branches
29. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
right gastric artery
gastro-duodenal artery
right gastro-epiploic artery
superior pancreatico-duodenal artery
splenic artery
– left gastro-epiploic artery
– short gastric arteries
– pancreatic branches
30. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
short gastric arteries
left gastro-epiploic artery
pancreatic branches
31. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
short gastric arteries
left gastro-epiploic artery
pancreatic branches
32. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
short gastric arteries
left gastro-epiploic artery
pancreatic branches
33. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
– left gastro-epiploic artery
– short gastric arteries
– pancreatic branches
34. Coeliac Artery
left gastric artery
– oesophageal branch
– hepatic branch
hepatic artery
– right gastric artery
– gastro-duodenal artery
» right gastro-epiploic artery
» superior pancreatico-duodenal artery
splenic artery
– left gastro-epiploic artery
– short gastric arteries
– pancreatic branches
39. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
40. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
41. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
42. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
43. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
44. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
45. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
46. Venous drainage of GI Tract
• Veins follow (+/-) arteries
• inferior mesenteric vein
drains to splenic vein
• splenic vein joins
superior mesenteric vein
to form the portal vein
porta hepatis
48. Venous drainage of GI Tract
• Nutritents and substances absorbed from the
GI tract
• Disease spread (eg tumour spread) from the
GI tract to liver
• Portal hypertension – varicies
49. Venous drainage of GI Tract
Capillary
circulation in
the liver
Oesophageal veins
draining into left
gastric vein
Connection between
superior rectal vein (portal)
and middle rectal vein
(systemic)
50. Venous drainage of GI Tract
Oesophageal veins
draining into left
gastric vein
Connection between
superior rectal vein (portal)
and middle rectal vein
(systemic)
OESOPHAGEAL VARICIES
HAEMORRHOIDS
51. The End
• Why don’t you take some exam questions on
this topic from our MCQ’s section
52. CREDITS
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