Chapter 8- Cardiovascular Flashcards
flat, leaf shaped structures that comprise the valves of the heart and prevent the backflow of blood
leaflets
backflow or ejecting of contents through an opening
regurgitation
Tubular space or channel within an organ or structure of the body; space within an artery, vein, intestine, or tube
lumen
circular muscles found in a tubular structure or hallow organ that constrict or dilate to regulate passage of substance through its opening
sphincters
narrowing of the lumen of a blood vessel that limits blood flow, usually as a result of diseases, medications, or physiological processes
vasoconstriction
widening of the lumen of a blood vessel caused by the relaxing of the muscles of the vascular walls
vasodilation
thickness or a measure of how resistant a liquid is to flowing
viscosity
aneurysm/o
aneurysm (wide blood vessel)
angi/o
Vascul/o
vessel (usually blood or lymph)
aort/o
aorta
arteri/o
artery
arteriol/o
arteriole
atri/o
atrium
cardi/o
coron/o
heart
ather/o
fatty plaque
electr/o
electricity
embol/o
embolus (plug)
hemangi/o
blood vessel
my/o
muscle
phleb/o
ven/o
vein
scler/o
hardening; sclera (white part of the eye)
sept/o
septum
sphygm/o
pulse
sten/o
narrowing; stricture
thromb/o
blood clot
valv/o
valvul/o
valve
ventriclul/o
ventricle (of the heart and brain)
-cardia
heart condition
-stenosis
narrowing, stricture
localized abnormal dilation, of a vessel, usually and artery
aneurysm
chest pains caused by obstructions or spasms of the coronary arteries that decrease blood flow to the myocardium, also called angina pectoris
angina