An embolus is a weakened blood vessel that may bulge under pressure and, in severe cases, burst.

Name: An embolus is a weakened blood vessel that may bulge under pressure and, in severe cases, burst.
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An embolus is actually a blood clot or other foreign material (such as an air bubble or piece of tissue) that travels through the bloodstream and gets stuck, blocking blood flow to a specific area. It is not a weakened blood vessel that may burst.

An Embolus Is a Weakened Blood Vessel That May Bulge