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Cardiovascular Word List
Term | Definition |
---|---|
anastomosis | surgical attachment of one end of a holow structure to another end |
angina | intermittent chest pain, usually of short duration |
angiorrhaphy | suturing of a blood vessel |
aorta | largest artery in the body which collects blood from the left ventricle, and delivers it to all parts of the body via smaller arteries |
artery | a vessel that carries oxygenated blood from the heart to body tissues and organs |
arteriole | a small artery |
bicuspid valve | a valve with 2 cusps, through which blood passes from the left atrium to the left ventricle. Aka mitral valve |
bradycardia | slow heart action |
bundle of His | specialized muscle bires in the walls of the heart, between the ventricles, that carry the electrical impulses to the ventricles |
capillaries | microscopic blood vessels connecting arterioles and venules |
cardiomegaly | enlargement of the heart |
cardiovascular system | system composed of the heart, blood vessels, and their function within the body. |
carditis | inflammation of the heart |
conductive tissue | highly specialized cardiac tissue which initiates and continues contraction impulses |
congenital septal defect | small hole(s) within the atrial or ventricular septums, which are present at birth |
congestive heart failure | failure of the heart to pump an adequate amount of blood to the tissues and organs |
coronary artery disease | any disease which alters he ability of the coronary artery to deliver the amount of blood that is required by the heart muscle. |
diaphoresis | profuse sweating |
dyspnea | difficult breathing |
endocardium | innermost layer of the heart |
epicardium | outermost layer of the heart |
heart | a hollow, muscular organ that pumps blood through the arteries, and capillaries and veins. |
inferior vena cava | large vein which collects and carries deoxygenated blood from the lower portion of the body and enters the right atrium |
insufficiency | inability of valves to close properly |
left atrium | chamber which receives oxygenated blood from the lungs |
left ventricle | chamber which pumps oxygenated blood to the body via the aorta |
myocardial infarction | life-threatening condition characterized by necrosis in the myocardium due to a lack of oxygen |
myocardium | muscular layer of the heart |
necrosis | destruction (death) of tissue |
pallor | paleness |
pericardium | fibrous sac which encloses the heart |
phlebitis | inflammation of a vein |
pulmonary artery | carries deoxygenated blood from the right ventricle to the lungs |
pulmonary vein | carries oxygenated blood back to the heart from the lungs |
Purkinje fibers | extend up the walls of the ventricles and transmit electrical impulses t both ventricles, causing them to contract |
right atrium | chamber which collects deoxygenated blood from the body |
right ventricle | chamber which pumps deoxygenated blood from the heart to the lungs |
septum | muscular wall which divides the right and left sides of the heart |
shunt | a passage between two blood vessels or between two sides of the heart |
sphygmomanometer | instrument for measuring blood pressure |
stenosis | narrowing |
superior vena cava | large vein which collects and carries deoxygenated blood from the top portion of the body and enters the right atrium |
systole | the contraction phase of the heart |
tachycardia | rapid heart action |
thrombophlebitis | abnormal condition of a blood clot in the blood vessel |
tricuspid valve | a valve with three cusps, located between the right atrium and right ventricle, which allows blood to pass into the right ventricle |
varicose veins | condition which develops when the valves of the veins are damaged. Characterized by enlarged veins and edema of the surrounding tissues. |
vein | a vessel that carries deoxygenated blood to the heart from he body organs and tissues |
venule | small vein |