B7 - A. coeliaca, a. mesenterica cranialis and caudalis Flashcards

1
Q

A. coeliaca

A
  • 1st 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
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2
Q

A. mesenterica cranialis

A
  • 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
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3
Q

A. mesenterica caudalis

A
  • 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
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4
Q

Draw the visceral blood supply in the dog

A
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5
Q

Give the visceral blood supply of the ruminants

A
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