embolus
noun
- mass that travels through the bloodstream and lodges so as to obstruct or occlude a blood vessel
Wiktionary
Pronunciation: /ˈɛmbələs/
noun
Etymology: The term was coined in 1848 by Rudolf Virchow From Latin embolus (“piston”), from Ancient Greek ἔμβολος (émbolos, “peg, stopper”).
- An obstruction causing an embolism: a blood clot, air bubble or other matter carried by the bloodstream and causing a blockage or occlusion of a blood vessel.
- The structure on the end of the palp of male arachnids which contains the opening to the ejaculatory duct.
“Those spiders with a simple bulb insert most of this; those with a complex palp insert only the embolus, which in some species is very long […]”