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LOM Ch 11 Cardiovascular System Set 1
Language of Medicine, 9th Edition, Davi-Ellen Chabner Cardiovascular System
30
Medical
Professional
05/23/2010

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Term
aorta
Definition
largest artery in the body
Term
arteriole
Definition
small artery
Term
artery
Definition
largest type of blood vessel that carries blood away from the heart to all parts of the body
Term
arterioventricular bundle
Definition
another name for bundle of His
Term
arterioventricular bundle
Definition
specialized muscle fibers connecting the atria with the ventricles and transmitting electrical impulses between them
Term
atrioventricular node
Definition
What does AV node stand for?
Term
AV node
Definition
specialized tissue in the wall between the atria where electrical impulses from the pacemaker pass through to get to the bundle of His and then the ventricles
Term
atrium
Definition
singular of atria
Term
atrium
Definition
one of two upper chambers of the heart
Term
capillary
Definition
smallest blood vessel in which whose thin walls  materials pass to and from the bloodstream
Term
carbon dioxide
Definition
What does CO2 stand for?
Term
carbon dioxide
Definition
gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation
Term
coronary arteries
Definition
blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle
Term
deoxygenated blood
Definition
blood that is oxygen-poor
Term
diastole
Definition
relaxation phase of the heartbeat
Term
pericardium
Definition
double-layered membrane surround the heart
Term
dilation
Definition
The Greek word diastole means _________
Term
electrocardiogram
Definition
record of the electricity flowing through the heart
Term
P, QRS, T
Definition
Three ways deflections of electricity are represented
Term
endocardium
Definition
inner lining of the heart
Term
endothelium
Definition
innermost lining of blood vessels
Term
mitral valve
Definition
valve between the left atrium and the left ventricle
Term
bicuspid valve
Definition
another name for mitral valve
Term
murmur
Definition
abnormal swishing sound caused by improper closure of the heart valves
Term
myocardium
Definition
muscular, middle layer of the heart
Term
normal sinus rhythm
Definition
heart rhythm originating in the sinoatrial node with a resting rate of 60 to 100 beats per minute
Term
oxygen
Definition
gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells
Term
pacemaker
Definition
another name for sinoatrial node
Term
pacemaker
Definition
specialized nervou tissue in the right atrium that begins the heartbeat
Term
artificial cardiac pacemaker
Definition
an electronic apparatus implanted in the chest to stimulate hert muscle that is weak and not functioning
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