any foreign matter, as a blood clot or air bubble, carried in the bloodstream and capable of causing an embolism
Origin of embolusModern Latin ; from Classical Greek embolos, anything put in, wedge ; from emballein ; from en-, in + ballein, to throw: see ball
A mass, such as an air bubble, a detached blood clot, or a foreign body, that travels through the bloodstream and lodges so as to obstruct or occlude a blood vessel.
Origin of embolusLatin, piston of a pump, from Greek embolos, stopper, plug, from emballein, to insert; see emblem.
From Latin embolus (“piston”), from Ancient Greek ἔμβολος (embolos, “peg, stopper”).