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25 Cards in this Set

  • Front
  • Back
Ductus arteriosus
a small vessel that shunts blood away from the pulmonary arteries to the aortic arch

one of structures modifying fetal circulation

prevents lungs from being overworked, allows RV to strengthen

closes after birth
color of arteries/veins (injected)
arteries-pink (white if thick walled, such as aorta)
Vena Cavae (Precava/Postcava)
Veins that return deoxygenated blood from body to heart (empty into R atrium)

Inferior VC (Postcava, Posterior VC)- lower part of body

Superior VC (Precava, anterior VC)- upper part of body
atria (auricles)
blood collection center
-Right atrium receives DO blood from vena cavae
-Left atrium receives O blood from pulmonary veins
collect blood from atrium, pumps blood out of heart

-RV pumps blood out to pulmonary arteries
-LV pumps blood to aorta (and outward)
pulmonary artery
blood travels from RV to lungs

only artery that carries deoxygenated blood (in adults)
pulmonary vein
oxygenated blood returns to LA

only vein that carries oxygenated blood (post-fetal)
-brings oxygenated blood to all parts of body
-largest artery
-originates from LV
smallest vessels
diam. less than an RBC
Function: connect arteries & veins and interact with tissues
smallest of true arteries
extends and branches out from an artery and leads to capillaries
small type of vein

funtion: allows deox blood to return to veins from capillaries

arteries->capillaries->venules->veins->vena cavae->heart
umbilical arteries
2, med. sized
move blood to placenta for oxygenation

an exception for arteries normally carrying ox blood
umbilical vein
1, large

oxygen from mother's blood diffuses across placenta into fetal blood through the umbilical vein

an exception to veins normally carrying deox blood
allantoic stalk
smallest vessel in center of umbilical cord
brachiocephalic veins
the precava brances a short distance superiorly from the heart
-the brances are the brachiocephalic veins
-brings deox blood from subclavians and jugulars to pre cava
jugular veins
internal and external (2 on each side of neck)

bring deox blood back from head to heart via the superior vena cava
renal veins
veins leading to kidneys
drain the kidneys
joins postcava
hemiazygous vein
arched vein that runs down the back of thoracic cavity
receives blood from rib cage
pulmonary trunk
-above the coronary arteries, you should see a large white vessel coming from RV.
-branches into pulmonary arteries

in fetus, the ductus arteriosus connects the pulmonary trunk to the aorta (skipping lungs)
femoral vein
commonly used for IV drugs
brachiocephalic artery and L subclavian artery
on the top of the aortic arch there are 2 blood vessels
-R vessel is the brachiocephalic artery
--branches to form carotid and R subclav
-L vessel branches into brachial artery as it passes into the arm
carotid arteries
in neck
supply Ox blood to brain
renal arteries
branch off from aorta to supply blood to kidneys
iliac arteries and veins
transport blood to and from legs
femoral arteries
large artery of thigh
continuation of iliac (which comes from aorta)