Term
| The Heart lies in the mediastinum, which is? |
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Definition
| a mass of tissue that extends from the sternum to the vertebral column between the lunds. |
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Term
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Definition
| membrane that protects and surrounds the heart. |
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Term
| the pericardium consists of two main parts , what are they? |
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Definition
| fibrous pericardium and serous pericardium. |
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Term
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Definition
| the "bag" that rests on and attaches to diaphragm, prevents over stretching , protection and anchors heart with in mediastinum |
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Term
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Definition
-visceral (epicardium) adheres to surface of heart,
-pericardial fluid, which reduces friction between membranes as heart moves. |
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Term
| Name three layers of heart. |
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Definition
| epicardium, myocardium, and endocardium |
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Term
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Definition
| thin transparent outer layer of the heart wall. |
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Term
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Definition
| cardiac muscle tissue, forms bulk of heart and pumping action. |
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Term
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Definition
| thin layer of endothelium overlying a thin layer of connective tissue. smooth lining for chambers, and covers valves of heart |
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Term
| The heart is composed of four chambers, what are they? |
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Definition
| the right and left atria (atrium) and right and left ventricles. |
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Term
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Definition
| seperates the right and left ventricle. |
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Term
| Right atrium receives blood from what three veins? |
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Definition
| superior vena cava, inferior vena cava and coronary sinus. |
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Term
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Definition
| blood passes from the right atrium to the left ventricle through a valve that is called; |
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Term
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Definition
| blood passes through what valve into a larger artery called the pulmonary trunk, which divides into right and left pulmonary arteries. |
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Term
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Definition
| the left atrium receives blood from the lungs through four what? |
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Term
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Definition
| blood passes from the left atrium to the left ventricle through this. |
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Term
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Definition
| blood passes from the left ventricle through this into the ascending aorta |
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Term
| fibrous skeleton of heart |
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Definition
| prevents overstretching of the valves as blood passes through them. |
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Term
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Definition
| because they are located between an atrium and ventricle, the tricuspid and bicsupid valves are termed this. |
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Term
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Definition
| how the heart supplies blood. |
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Term
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Definition
| branch from the ascending aorta and encircle the heart. |
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Term
| left coronary artery location |
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Definition
| inferior to left auricle. |
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Term
| left coronary artery divides into |
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Definition
| anterior interventricular and circumflex branches |
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Term
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Definition
| small artery branch to right atrium, AND continues inferior to right atrium |
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Term
| right coronary artery branches into what branches? |
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Definition
| posterior interventricular and marginal branches |
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Term
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Definition
| after blood passes through the arteries into the capillaries and then moves into the ? |
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Term
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Definition
| has no smooth muscle to alter diameter,deoxyegenated blood in this empties into the right atrium |
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Term
| great cardiac vein is located and does what? |
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Definition
| in the interventricular sulcus. and drains the areas of the heart supplied by the left coronary artery. |
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Term
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Definition
| posteroir interventricular sulcus and drains the areas supplied by the posterior interventricular branch and right coronary artery. (left and right ventricles.) |
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Term
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Definition
| in the coronary sulcus and drains the right and left atrium. |
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Term
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Definition
| in the coronary sulcus and drains the right and left atrium. |
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Term
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Definition
| drains the right ventricle and open directly into the atrium |
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Term
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Definition
| heart attack, complete obstruction to blood flow in a coronary artery. |
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