A
angi/o
vessel (blood)
ather/o
plaque; fatty buildup
coron/o
heart
erythr/o
red
my/o
muscle
aort/o
aorta; largest artery
bol/o
cast;throw
cyan/o
blue
hem/a, hem/o, hemat/o
blood
phleb/o
vein
arteri/o
artery
cardi/o
heart
cyt/o
cell
leuk/o
white
pulmon/o
lung
arteriol/o
arteriole (small artery)
coagul/o
coagulation; clotting
dilat/o
to enlarge or expand
lymph/o, lymphat/o
lymph
rhythm/o
rhythm; heartbeat
atri/o
atria; atrium
constrict/o
narrowing
electr/o
electricity
lumin/o
light
sept/o
wall; partition