B11 - A. coeliaca, a. mesenterica cranialis and caudalis

Question 1

A. coeliaca

Answer 1

• 1^st visceral branch from aorta abdominalis
  
  • ​Ca, ru: arises at the level of L1
  • Eq, sus: arises between Th17-Th18
• Supplies:
  
  • Liver
  • Spleen
  • Pancreas
  • Cranial part of duodenum
• A. lienali
  
  • ​Rr. lienalis
  • Aa. gastricae brevis
  • Rr. epiploici
  • A. gastrica sinistra (sus, to curvatura minor of the stomach)
  • A. pancreaticus
  • R. gastrolinealisA. gastroepiploica sinistra
  • Continues as a. gastroepiploica sinistra (ø ru: arises froma. gastrica sinistra)
  • A. ruminalis dextra (ru)
  • A. ruminalis sinistra (ru)
  • Supplies:
    
    • Omentum major
    • Left half of stomach
• A. hepatica
  
  • ​Rr. pancreatici (ø ca)
  • R. sinistra (to liver)
  • R. dexter (​to liver)
  • A. gastrica dextra
  • A. gastroduodenalis
    
    • ​A. pancreaticoduodenalis cranialis
    • A. gastroepiploica dextra
• A. gastrica sinistra
  
  • ​R. esophageus
  • R. gastrici
  • Eq: rr. pancreatici (anastomose with aa. gastrica brevis)
  • Ø sus: only a branch to curvatura minor of the stomach, will come off a. lienalis
  • Supplies:
    
    • Curvatura minor of the stomach

Question 2

A. mesenterica cranialis

Answer 2

• A. pancreatoduodenalis caudalis
  
  • ​Rr. pancreatici
  • Rr. duodenalis
  • Follows the duodenum to the flexura caudalis
  • Anastomoses with a. pancreatodudoenalis cranialis
• Aa. jejunalis
• R. collateralis
• Aa. ilei
  
  • ​Anastomoses with r. ileus mesenterialis of the a. ielocecalis
• A. ileocolica
  
  • ​A. colica media
  • A. colica dextra
  • A. caecalis
  • R. ilei antimesenterica (→ ileum)
• A. colica dextra
  
  • ​Ca: arises from a. ileocecalis
  • Eq, sus: arises from a. mesenterica cranialis
  • Runs towards the distal part of colon ascendens
• A. colica media
  
  • ​Ca: 2 vessels → colon transversus
  • Eq, sus, ru: 1 vessel → colon transversus
• Gives nutrition to most of the intestines
• Eq: A. ilei*** ex ***aa. jejunalis

Question 3

A. mesenterica caudalis

Answer 3

• Arises beneath L4-L6
• Runs in the mesocolon and supplies the terminal parts of the large intestines
• A. colica sinistra
  
  • ​Cranially directed
  • Supplying colon decendens
• Aa. sigmoidea (ru)
  
  • Goes to colon sigmoideum
• A. rectalis cranialis
  
  • ​Anastamoses with a. rectalis medius and a. rectalis caudalis

Question 4

Draw the visceral blood supply in the dog

Answer 4

Question 5

Give the visceral blood supply of the ruminants

Answer 5