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Ch 9 Med Term summer
Cardiovascular System
Term | Definition |
---|---|
angi/o | vessel |
aort/o | aorta |
arteri/o | artery |
cardi/o | heart |
coron/o | circle or crown |
my/o | muscle |
pector/o | chest |
phleb/o | vein |
sphygm/o | pulse |
ather/o | fatty (lipid) paste |
thromb/o | clot |
varic/o | swollen, twisted vein |
atrium | upper right or left chamber of the heart |
endocardium | membrane lining the cavities of the heart |
epicardium | membrane forming the outer layer of the heart |
myocardium | heart muscle |
ventricle | lower right or left chamber of the heart |
pericardial cavity | fluid-filled cavity between the pericardial layers |
tricuspid valve | valve between the right atrium and the right ventricle |
aortic valve | heart valve between the left ventricle and the aorta |
arterioles | small vessels tat receive blood from the arteries |
capillaries | tiny vessels that join arterioles and venules |
venules | small vessels that gather blood from the capillaries into the veins |
veins | vessels that carry blood to the heart form the venules |
diastole | to expand; period during the cardiac cycle when blood enters the relaxed ventricles from the atria |
systole | to contract; period during the cardiac cycle when the heart is in contraction and blood is ejected through the aorta and the pulmonary artery |
normotension | normal blood pressure |
hypotension | low blood pressure |
hypertension | high blood pressure |
thrombus | a stationary blood clot |