What is the difference between an embolus vs thromboembolism?

Nomenclature. An embolus can be any substance. It can be a fat embolus or a cholestrol embolus etc.( an embolus is a material that originates in one part of the body and travels to another and causes a complication such as a cva or pe). A thromboembolus is thrombin based vascilar material that embolizes. .