Vessels and Circulation II Flashcards
(37 cards)
What are the three major inferior bifurcations of the aorta?
common iliac artery, internal iliac artery, external iliac artery
What vein is used to receive blood from the external and internal iliac veins?
common iliac artery
The common iliac artery becomes what vein?
inferior vena cava
What direction does the inferior vena cava flow from?
inferior to superior
Blood from the GI system passes through the liver before going into what vein?
hepatic vein
What does the common carotid artery supply?
neck, face and anterior brain
What does the vertebral artery (and subclavian artery) supply?
posterior brain
What arteries supply the brain?
2 vertebral arteries, 2 internal carotid arteries
What arteries supply the head?
2 external carotid arteries
What arteries supply the neck?
2 external carotid arteries, thyrocervical trunks
Veins of the neck and face drain into what veins?
external and internal jugular veins
The brachiocephalic veins drain into what vein?
superior vena cava
What veins supply the brain?
dural sinuses to internal jugular veins
What veins supply the head?
internal and external jugular veins and vertebral veins
What veins supply the neck?
internal and external jugular veins
Where is the circle of willis?
around the sella turcica
What is the circle of willis composed of?
anterior and posterior cerebral and communicating arteries, internal carotid artery
What artery do intercostal arteries anastamose with?
internal thoracic artery
What vein do intercostal veins anastamose with?
azygous vein
What do the branches of the abdominal aorta serve?
diaphragm, GI tract, organs not part of the gut, body wall (lumbar arteries)
What does the superior mesenteric artery supply?
the small intestine
What is the hepatic portal system?
Venous network that drains the GI TRACT and shunts the blood to the liver for processing/absorption
Where does the blood exit the liver?
Through hepatic veins that merge with the inferior vena cava
What is the primary vein in the hepatic portal system?
hepatic portal vein