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chapter 9 vocabulary
| Term | Definition |
|---|---|
| angi/o | vessel |
| aort/o | aorta |
| arteri/o | artery |
| ather/o | fatty (lipid) paste |
| atri/o | atrium |
| cardi/o | heart |
| coron/o | circle or crown |
| my/o | muscle |
| pector/o | chest |
| phleb/o | vein |
| sphygm/o | pulse |
| steth/o | chest |
| thromb/o | clot |
| varic/o | swollen, twisted vein |
| vas/o | vessel |
| vascul/o | vessel |
| ven/o | vein |
| ventricul/o | ventricle (belly or pouch) |
| 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 |
| interatrial septum | partition between the right and left atria |
| interventricular septum | partition between the right and left ventricles |
| myocardium | heart muscle |
| pericardium | protective sac enclosing the heart composed of two layers with fluid between |
| visceral pericardium | layer of the pericardium closest to the heart (visceral = pertaining to organ) |
| parietal pericardium | outer layer (parietal=pertaining to wall) |
| pericardial cavity | fluid-filled cavity between the pericardial layers |
| ventricle | lower right or left chamber of the heart |
| heart valves | structures within the heart that open and close with the heartbeat to regulate the one-way flow of blood |