Angiospasm is sudden contraction of a blood vessel. In contrast, vasoconstriction is the normal process of contraction of a blood vessel.
Vasoconstriction
Angiospasm
Paroxysmal is the medical term meaning sudden and violent.
Muscle Spasm
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.)
Angiotripsy is the medical term meaning crushing of a vessel. It's a procedure used to stop hemorrhage.
An aneurysm is the medical term meaning abnormal localized dilation of a vessel.
embolism is the sudden blockage of a blood vessel by an embolus.
angiographic
Angionecrosis
angioplasty
telangiectasia
Angiolith
IntimaEndothelium
Avascular is the medical term meaning without blood vessels.
Cardiac catheterization si the medical term meaning passing a tube through a vessel into the heart.