Embolism: The obstruction of a blood vessel by a foreign substance or a blood clot blocking the vessel. Something travels through the bloodstream, lodges in a vessel and plugs it.
Foreign substances that can cause embolism include an air bubble, amniotic fluid, a globule of fat, a clump of bacteria, chemicals (such as talc), and drugs (mainly illicit ones).
Blood clots are the most common cause of embolism. A pulmonary embolus is a blood clot that has been carried through the blood into the pulmonary artery (the main blood vessel from the heart to the lung) or one of its branches, plugging that vessel.
The term "embolus" refers to the plug itself obstructing the blood vessel while "embolism" refers to the process by which this happens.
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.
Library > Literature & Language > Dictionary ( Ã„â€¢m ' bÃ‰â„¢-lÃ„Âz ' Ã‰â„¢m ) n. Obstruction or occlusion of a blood vessel by an embolus. An embolus. [Middle English ...
Embolism Definition. An embolism is an obstruction in a blood vessel due to a blood clot or other foreign matter that gets stuck while traveling through the bloodstream.
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20-year-old Chris Staniforth from the UK was killed by a pulmonary embolism. (ABC News)
An embolism - from the Greek ÃƒÂ©mbolos meaning "stopper" or "plug" - is the term that describes a condition where an object called an embolus is created in one part of ...