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CH 5 Study Guide
CH 5 REVIEW (Medical Terms)
| Term | Definition |
|---|---|
| aneurysm | area of dilation and weakness in the wall of an artery |
| angina pectoris | mild-to-severe chest pain caused by ischemia of the myocardium |
| aorta | the largest artery in the body |
| apex | the inferior tip of the heart |
| artery | large blood vessels that carry blood away from the heart to the body |
| atrium (singular of atria) | each of small upper chambers of the heart |
| bigeminy | a repeating pattern of one normal heart contraction followed by one premature contraction |
| bruit | a harsh, rushing sound made by blood passing through an artery narrowed and roughened by atherosclerosis |
| bundle of His | part of the conduction system of the heart after the AV node which splits into right and left bundle branches |
| cor pulmonale | the enlargement of the right ventricle from lung disease |
| cordae tendineae | ropelike connective tissues attached to heart valve leaflets |
| diastole | the resting period between contractions of the heart |
| donor | one used as a source of biological material (as blood or an organ) |
| ductus arteriosus | temporary, small blood vessel in the fetal heart connecting the pulmonary trunk to the aorta, and should close within 24 hours after birth |
| edema | swelling in the tissue |
| foramen ovale | temporary, oval-shaped opening in interatrial septum of fetal heart, should close within 24 hours after birth |
| intima | (also endothelium) smooth inner layer of blood vessels that promotes flow of blood |
| lumen | a central opening within a blood vessel through which blood flows |
| mediastinum | an irregularly shaped central area of the chest between the lungs |
| murmur | abnormal heart sound created by turbulence as blood leaks through a defective heart valve |
| node | a discrete mass of one kind of tissue enclosed in tissue of a different kind |
| paroxysmal | a sudden attack or spasm (as of a disease) or a sudden recurrence of symptoms or an intensification of existing symptoms |
| photon | another name for a gamma ray |
| plaque | an atherosclerotic lesion |
| prolapse | the sinking or falling down of an organ or part, especially the womb |
| pulse | a regularly recurrent wave of distention in arteries that results from the progress through an artery of blood injected into the arterial system at each contraction of the ventricles of the heart |
| Purkinje | a network of nerves in the heart |
| Raynaud's disease | sudden, severe vasoconstriction and spasm of the arterioles in the fingers, and toes, often from cold or emotional upset |
| septum | a central wall in the heart dividing the right and left sides |
| subacute | falling between acute and chronic in character |
| systole | a contraction of the heart |
| trigeminy | a repeating pattern of two normal heart contractions followed by one premature contraction |
| valve | structure that opens and closes to control the flow of blood |
| vein | large blood vessels that carry blood back to the heart from the body or lungs |
| vena cava | the two (superior and inferior) major veins of the body |
| ventricle | each large lower chamber of the heart (also chamber in the brain) |
Created by:
linju156
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