Med Term-Module 11 Flashcards by Trinitey Riley

aorta

largest artery in the body

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arteriole

small artery

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artery

largest type of blood vessel

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atrioventricular bundle

specialized muscle fibers connecting the atria with the ventricles and transmitting electric impulses between them

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atrioventricular node

specialized tissue in the wall between the atria

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atrium, atria

one of two upper chambers of the heart

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capillary

smallest type of blood vessel

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carbon dioxide

gas released by body cells, transported via veins to the heart, and then to the lungs for exhalation

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coronary arteries

blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle

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deoxygenated blood

blood that is oxygen-poor

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diastole

the relaxation phase of the heartbeat

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endocardium

inner lining of the heart

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endothelium

innermost lining of the blood vessels

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mitral valve

valve between the left atrium and the left ventricle

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murmur

abnormal swishing sound caused by improper closure of the heart valves

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oxygen

gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells

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pacemaker

specialized nervous tissue in the right atrium that begins the heartbeat

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pericardium

double-layered membrane surrounding the heart

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pulmonary artery

artery carrying oxygen poor blood from the heart to the lungs

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pulmonary circulation

flow of blood from the heart to the lungs and back to the heart

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pulmonary valve

valve positioned between the right ventricle and the pulmonary artery

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pulmonary vein

one of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart

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pulse

beat of the heart as felt through the walls of the arteries

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septum

partition or wall dividing a cavity

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sinoatrial node

the pacemaker of the heart

sphygmomanometer

instrument to measure blood pressure

systemic circulation

flow of blood from body tissue to the heart and then from the heart back to the body tissues

systole

contraction phase of the heartbeat

tricuspid valve

located between the right atrium and the right ventricle

valve

structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction

vein

thin-walled vessel that carries blood from body tissues and lungs back to the heart

vena cava

largest vein in the body

ventricle

one of two lower chambers of the heart

venule

small vein

angi/o

vessel

aort/o

aorta

arter/o

artery

ather/o

yellowish plaque; fatty substance

atri/o

atrium; upper heart chamber

brachi/o

arm

cardi/o

heart

cholesterol/o

cholesterol

coron/o

heart

cyan/o

blue

myx/o

mucus

ox/o

oxygen

pericardi/o

pericardium

phleb/o

vein

rrhythm/o

rhythm

sphygm/o

pulse

steth/o

chest

thromb/o

clot

valvul/o

valve

vas/o

vessel

vascul/o

vessel

ven/o

vein

ventricul/o

ventricle

arrhythmias

abnormal heart rhythms

heart block

failure of proper conduction of impulses from the SA node through the AV node to the atrioventricular bundle

flutter

rapid but regular contractions

fibrillation

very rapid, random, inefficient, and irregular contractions of the heart

congenital heart disease

abnormalities in the heart at birth

coarctation of the aorta

narrowing of the aorta

patent ductus arteiosus

passageway between the aorta and the pulmonary artery remains open after birth

septal defects

small holes in the wall between the atria or the ventricles

tetralogy of Fallot

congenital malformation involving four distinct heart defects

congestive heart failure

heart is unable to pump its required amount of blood

coronary artery disease

disease of the arteries surrounding the heart

endocarditis

inflammation of the inner lining of the heart

hypertensive heart disease

high blood pressure affecting the heart

mitral valve prolapse

improper closure of the mitral valve

murmur

extra heart sound, heard between normal beats

pericarditis

inflammation of the membrane surrounding the heart

rheumatic heart disease

heart disease caused by rheumatic fever

aneurysm

local widening of an arterial wall

hypertension

high blood pressure

peripheral arterial disease

blockage of arteries carrying blood to the legs, arms, kidneys, and other organs

Raynaud disease

recurrent episodes of pallor and cyanosis primarily in fingers and toes

varicose veins

abnormally swollen and twisted veins

Med Term-Module 11 Flashcards

(79 cards)