Avascular is the medical term meaning without blood vessels.
artery, vein or capillaries
vasular
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.)
Angionecrosis
angiographic
telangiectasia
IntimaEndothelium
Angiolith
Extravasate means to leak out side of a blood vessel.
Extraoral is the medical term meaning outside the mouth.
Thrombectomy
Vasoconstriction is the normal narrowing of a blood vessel.
The lumen is the space within the blood vessel (or within any tubular structure).
Dilation of a blood vessel is the term for physiologic widening of the vessel. Abnormal widening of the blood vessel through a weakening of the wall is known as aneurysm.Dilation of a blood vessel means widening of the vessel.