Angi/o
Vessel (usually refers to blood vessel)
Aort/o
Aorta
Arteri/o
Artery
Atri/o
Atrium
Cardi/o
Heart
Lymph/o
Lymph, lymph gland
Phleb/o
Vein (phlebotomy = cut vein)
Ven/o
Vein
Plasm/o
Plasm
Splen/o
Spleen
Thym/o
Thymus gland
Valv/o, valvul/o
Valve
Ventricul/o
Ventricle
Ather/o
Yellowish, fatty plaque
Ech/o
Sound (an echo is a reverberating sound!)
Electr/o
Electricity, electrical activity
Isch/o
Deficiency, blockage (ischemia=blockage deficiency , blood condition)
Therm/o
Heat
Thromb/o
Clot