Oesophagus - vasculature Flashcards

1
Q

where does the thoracic part of the oesophagus receive its arterial supply from?

A

from branches of the thoracic aorta and the inferior thyroid artery (a branch of the thyrocervical trunk)

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2
Q

what is the venous drainage of the thoracic oesophagus region?

A

via branches of the azygous veins and the inferior thyroid vein

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3
Q

where does venous drainage drain into?

A

systemic circulation

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4
Q

which artery supplies the abdominal oesophagus region?

A

left gastric artery and left inferior phrenic artery

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5
Q

what is the left gastric artery a branch of?

A

coeliac trunk

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6
Q

what are the 2 routes of venous drainage of abdominal oesophagus? (destination)

A
  1. to portal circulation

2. to systemic circulation

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7
Q

what drains the abdominal vasculature into the portal circulation?

A

the left gastric vein

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8
Q

which vein drains the abdominal vasculature into the systemic circulation?

A

azygous vein

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9
Q

what does the portal and systemic circulation drainage routes form?

A

porto-systemic anastomosis

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10
Q

what is the porto-systemic anastomosis?

A

a connection between the portal and systemic venous systems

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