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the heart
terms for the heart
63
Anatomy
Graduate
12/14/2011

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Term
aorta
Definition
largest artery in the body
Term
arterioles
Definition
small artery
Term
artery
Definition
largest type of blood vessel; carried blood. away from the heart to all parts of the body
Term
Atrioventricular bundle ( bundle of his)
Definition
specialized muscle fibers in wall between the ventricles that carry electrical impluses to ventricles
Term
atrioventricular node (AV)
Definition
specialized tissue at base of wall between the 2 upper heart chambers. Electricle impluses pass from the pacemaker (SA) thru the AV node to the bundle of his
Term
Atrium
Definition
Upper chamber of the heart
Term
capillaries
Definition
smallest blood vessel. Materials pass to and from the blood thru the thin capillary wall
Term
coronary arteries
Definition
the blood vessels that branch from the aorta abd carry 02 rich blood to the heart muscle
Term
diastole
Definition
relaxtation phase of the the heart beat
Term
endocardium
Definition
inner lining of the heart
Term
endothelium
Definition
innermost lining of the blood vessels
Term
mitral/bicuspid valve
Definition
valve found between the left atrium and left ventricle
Term
murmur
Definition
abnormal heart sound caused by improper closure of the heart valves
Term
myocardium
Definition
muscle layer of the heart
Term
pacemarker
Definition
SA node
Term
pericardium
Definition
sac-like membrane surrounding the heart
Term
pulmonary artery
Definition
an artery carrying oxygen poor blood from the heart to the lungs
Term
pulmonary circulation
Definition
flow of blood from the heart to the lungs andf back to the heart
Term
pulmonary valve
Definition
vavle between the right ventricle and the pulmonary artery
Term
pulmonary vein
Definition
vein carring O2 rich blood from the lungs to the heart
Term
pulse
Definition
the beat of the heart as felt thru the walls of the arteries
Term
septum
Definition
a partition in the cv system a partition between the R and L sides of the heart
Term
sinoatrial node (SA) node
Definition
pacemaker of the heart
Term
sphygmomanometer
Definition
instrument to messure blood pressure
Term
systemic circulation
Definition
flow of blood from the body cells to the heart and then back out from the heart to the cells
Term
systole
Definition
the contraction phase of the heartbeat
Term
tricuspid vavle
Definition
valve located between R atrium and R ventricle, nhas 3 leaflets of cusps
Term
valve
Definition
structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction
Term
vein
Definition
thin walled blood vessel that carries blood from the body tissues & lungs to the heart
Term
vena cava
Definition
largest vein in the body. SUperior and inferior vena cava bring blood into the right atrium of the heart
Term
ventricle
Definition
lower and larger chmaber of the heart
Term
venule
Definition
small vein
Term
anglogram
Definition
readiographic image of blood vessel using contrast
Term
aortic stenosis
Definition
narrowing of the aortic valve
Term
arteriosclerosis
Definition
harding of the artery
Term
arterial anastomosis
Definition
point of joining of arteries
Term
endarterectomy
Definition
surgical removal of the innermost lining of an artery
Term
atheroma
Definition
collection of plaque that protrude into the lumen of an artery, weakening the muscle lining
Term
atherosclerosis
Definition
the major form of arteriosclerosis in which deposits of yellow plaque ( cholesterol and lipids) are found within the lining of the artery
Term
brancial artery
Definition
principal artery of upper arm
Term
cardiomegaly
Definition
enlargement of the heart
Term
cardiomyopathy
Definition
increase in heart muscle weight, especially along the septum, which causes narrowing (stenosis) of the aortic valve
Term
hyercholesterolemia
Definition
increased levels of cholesterol in the blood
Term
cyanosis
Definition
bluish descoloration of skin indicating diminished oxygen content of blood
Term
myxoma
Definition
benign tumor derived from connective tissue, with cells embedded in soft mucoid stromal tissue. these tumors occur most frequently in the left atrium
Term
hypoxia
Definition
oxygen deprivation
Term
phlebotomy
Definition
surgical incision into a vein to draw blood
Term
thrombolysis
Definition
to dissolve a clot
Term
ventriculotomy
Definition
surgical incision into the ventricle
Term
cardiac MRI
Definition
magnetic waves are beamed at the heart and an image is produced
Term
arrthythias
Definition
abnormal heart rhythms
Term
atrioventricular block
Definition
heart block
Term
flutter
Definition
rapid irregular heart contractions
Term
fibrillation
Definition
rapid effectual irregular contractions
Term
congenital heart disease
Definition
birth defect
Term
coarctation
Definition
narrowing
Term
tetrlogy of fallot
Definition
congenital malformation of heart
Term
aneurysm
Definition
local widening of arterial wall with four specific defects
Term
angina
Definition
chest pain
Term
infarction
Definition
area of dead tissue
Term
thrill
Definition
vibration felt on palpation
Term
holter monitoring
Definition
a compact version of an electrocardiograph is worn during a 24-hour period to detect cardiac arrthymias
Term
claudication
Definition
pain, tension, weakness in leg while walking - Never at Rest
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