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Chapter 9
| Question | Answer |
|---|---|
| Septum | Divides heart into right and left portions |
| Interatrial septum | Separates the atria |
| Interventricular septum | Separates the ventricles |
| Endocardium | Membrane that lines the interior cavities of the heart |
| Myocardium | Thick, muscular layer |
| Epicardium | Outer membrane |
| Pericardium | Loose, protective sac that surrounds and encloses the heart |
| 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, steth/o | Chest |
| Phleb/o, ven/o | Vein |
| Sphygm/o | Pulse |
| thromb/o | Clot |
| Varic/o | Swollen, twisted vein |
| Vas/o, vascul/o | Vessel |
| Ventricul/o | Ventricle (belly or pouch) |
| Normotension | Normal blood pressure |
| Hypotension | Low blood pressure |
| Hypertension | High blood pressure |
| Diastole | Period in cardiac cycle when blood enters relaxed ventricles from the artia |
| Systole | Period in cardiac cycle when heart is in contraction and blood is ejected through the aorta and pulmonary artery |
| Coronary Circulation | Supplies blood to the heart |
| Systemic Circulation | Contraction of left ventricle pushes blood through aortic valve into aorta and on to all parts of the body through arteries, arterioles, capillaries, venules, and veins |
| Pulmonary circulation | Passage of blood from right ventricle through pulmonary artery to lungs and back through the pulmonary veins to the left atrium |