+An **embolus** is a traveling mass, often a [Clot](/wiki/clot) or air bubble, that navigates the bloodstream. When this migrating plug lodges in a narrower vessel, it can block flow, leading to [Infarct](/wiki/infarct) or critical tissue damage.
+## See also
+- [Thrombus](/wiki/thrombus)
+- [Stroke](/wiki/stroke)
+- [Pulmonary Embolism](/wiki/pulmonary-embolism)
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