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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 |