(1) Embolus: Something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli are a detached blood clot, a clump of bacteria, and foreign material such as air.
The word “embolus” comes from the Greek “embolos” meaning a wedge or plug. “Embolos” was derived from “en” (in) + “ballein” (to throw) so an embolus is something thrown in.
(2) embolus /em·bo·lus/ (em´bo-lus) pl. em´boli [L.] a mass of clotted blood or other material brought by the blood from one vessel and forced into a smaller one, obstructing the circulation.
fat embolus - one composed of oil or fat.
fibrocartilaginous embolus - Also referred to as fibrocartilaginous embolic myelopathy. 1. any functional disturbance and/or pathological change in the spinal cord; often used to denote nonspecific lesions, as opposed to myelitis. 2. pathological bone marrow changes.myelopath´ic
riding embolus - saddle embolus, straddling embolus one at the bifurcation of an artery, blocking both branches.