 | Term | Definition |
| |
card/o, cardi/o |
heart |
| |
arteri/o |
arteries |
| |
capill/o |
capillaries |
| |
phleb/o, ven/o |
veins |
| |
hem/o, hemat/o |
blood |
| |
angi/o |
blood or lymph vessels |
| |
aort/o |
aorta |
| |
ather/o |
plaque, fatty substance |
| |
brady |
slow |
| |
coron/o |
coronary, crown |
| |
-emia |
blood, blood condition |
| |
erythr/o |
red |
| |
leuk/o |
white |
| |
tachy |
fast, rapid |
| |
thromb/o |
clot |
| |
pericardium |
a double-walled membranous sac the encloses the heart |
| |
epicardium |
outer layer of heart |
| |
myocardium |
middle and thickest layer of heart; cardiac muscle |
| |
endocardium |
inner lining of the heart |
| |
arteries |
large blood vessels that carry blood from the heart to the body |
| |
arterioles |
smaller, thinner branches of arteries, carry blood to capillaries |
| |
capillaries |
connect the arterial and venous systems; one cell layer thick |
| |
veins |
vessels that return blood from body to heart; have valves |
| |
venules |
smaller vessels that join to form veins |
| |
superior vena cave |
brings blood back from upper portion of the body to heart |
| |
inferior vena cava |
brings blood back from lower portion of body to heart |
| |
aorta |
main trunk of arterial system that starts at left ventricle |
| |
coronary arteries |
branches from the aorta and supplies blood to the myocardium |
| |
P wave |
electrical wave that shows the contraction of atria |
| |
QRS complex |
electrical wave that shows the contraction of the ventricles |
| |
T wave |
electrical wave that shows relaxation of the ventricles |
| |
cardiac conduction system |
SA node, AV node, bundle of His, and purkinje fibers |
| |
Deoxygenated blood flow in heart |
vena cavae, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary arteries, lungs |
| |
Oxygenated blood flow in heart |
lungs, pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve, aorta |
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