Occlusion vs. Embolus - What's the difference?

Wikipedia

  • Embolus

    An embolus (plural emboli; from the Greek ἔμβολος "wedge", "plug") is an unattached mass that travels through the bloodstream and is capable of clogging arterial capillary beds (create an arterial occlusion) at a site distant from its point of origin. There are a number of different types of emboli, including blood clots, cholesterol plaque or crystals, fat globules, gas bubbles, and foreign bodies. By contrast there are non-traveling blockages that develop locally from vascular trauma or epithelial pathology and vascular inflammation — such as atheromata and thrombi. However, if a thrombus breaks loose from its genesis site it becomes a thrombo-embolus and if not broken down during transit, may cause embolism(s). The term was coined in 1848 by Rudolf Virchow.

Wiktionary

  • Occlusion (noun)

    The process of occluding, or something that occludes.

  • Occlusion (noun)

    Anything that obstructs or closes a vessel or canal.

  • Occlusion (noun)

    The alignment of the teeth when upper and lower jaws are brought together.

  • Occlusion (noun)

    An occluded front.

  • Occlusion (noun)

    A closure within the vocal tract that produces an oral stop or nasal stop.

  • Occlusion (noun)

    The absorption of a gas or liquid by a substance such as a metal.

  • Occlusion (noun)

    The blocking of the view of part of an image by another.

  • Embolus (noun)

    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.

  • Embolus (noun)

    The structure on the end of the palp of male arachnids which contains the opening to the ejaculatory duct.

Oxford Dictionary

  • Occlusion (noun)

    the blockage or closing of a blood vessel or hollow organ.

  • Occlusion (noun)

    a process by which the cold front of a rotating low-pressure system catches up the warm front, so that the warm air between them is forced upwards off the earth's surface between wedges of cold air.

  • Occlusion (noun)

    an occluded front.

  • Occlusion (noun)

    the position of the teeth when the jaws are closed.

Webster Dictionary

  • Occlusion (noun)

    The act of occluding, or the state of being occluded.

  • Occlusion (noun)

    The transient approximation of the edges of a natural opening; imperforation.

  • Embolus (noun)

    Something inserted, as a wedge; the piston or sucker of a pump or syringe.

  • Embolus (noun)

    A plug of some substance lodged in a blood vessel, being brought thither by the blood current. It consists most frequently of a clot of fibrin, a detached shred of a morbid growth, a globule of fat, or a microscopic organism.

Princeton's WordNet

  • Occlusion (noun)

    closure or blockage (as of a blood vessel)

  • Occlusion (noun)

    (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft

  • Occlusion (noun)

    (dentistry) the normal spatial relation of the teeth when the jaws are closed

  • Occlusion (noun)

    an obstruction in a pipe or tube;

    "we had to call a plumber to clear out the blockage in the drainpipe"

  • Occlusion (noun)

    the act of blocking

  • Embolus (noun)

    an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood

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