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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 |