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”).