A thrombus is a clot that forms inside a vessel or the heart.
Phlebitis is the medical term meaning inflammation of a blood vessel. (Thrombophlebitis is the medical term meaning inflammation of a blood vessel with a clot.)
thrombosisThrombus.a blood clotA blood clot that is attached to a vessel wall is a thrombus, A drifting blood clot is an embolus
Angionecrosis
angiographic
Avascular is the medical term meaning without blood vessels.
Extravasate means to leak out side of a blood vessel.
telangiectasia
Angiolith
IntimaEndothelium
The lumen is the space within the blood vessel (or within any tubular structure).
Thrombectomy
Vasoconstriction is the normal narrowing of a blood vessel.