
1) Closure 2) Hindrance
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https://www.crosswordclues.com/clue/embolus

1) Clot 2) Coagulum
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https://www.crosswordclues.com/clue/embolus

An embolus (plural emboli; from the Greek ἔμβολος `clot, lit. ram`) is any detached, traveling intravascular mass (solid, liquid, or gaseous) carried by circulation, which is capable of clogging arterial capillary beds (create an arterial occlusion) at a site distant from its point of origin. By contrast there are non-traveling blockages.....
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http://en.wikipedia.org/wiki/Embolus

• (n.) Something inserted, as a wedge; the piston or sucker of a pump or syringe. • (n.) 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.Embolus: words in the defi...
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http://thinkexist.com/dictionary/meaning/embolus/

(from the article `thrombosis`) ...may be blockage of the blood vessel at the point of clot formation or blockage of a vessel at some other point by a clot that has broken free from ... [4 related articles]
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http://www.britannica.com/eb/a-z/e/25

An embolus or embolism is a part of a blood clot that breaks away and flows in the blood to somewhere else. A pulmonary embolism is such a clot that flows to and stops in a pulmonary artery near the lungs. See Blood clot.
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http://www.encyclo.co.uk/local/20541

A clot formed by platelets or leucocytes that blocks a blood vessel. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

(em´bo-lәs) pl. em´boli a clot or other plug, usually part or all of a thrombus, brought by the blood from another vessel and forced into a smaller one, thus obstructing circulation; see also embolism. saddle embolus one situated at the bifurcation of a large artery, sometimes blocki...
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http://www.encyclo.co.uk/local/21001

A clot formed by platelets or leucocytes that blocks a blood vessel.
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http://www.encyclo.co.uk/visitor-contributions.php
Em'bo·lus noun ;
plural Emboli . [ Latin , from Greek ... pointed so as to be put or thrust in, from ... to throw, thrust, or put in. See
Emblem .]
1. Something inserted, as a wedge; the piston or sucker of a pump or syringe.
2. (Medicine) A plug of some su...
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http://www.encyclo.co.uk/webster/E/26

Material (such as a blood clot or an air bubble) which is carried by the blood stream.
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http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: em′bō-lŭs, -lī Definitions: 1. A plug, composed of a detached thrombus or vegetation, mass of bacteria, or other foreign body, occluding a vessel. Synonyms: emboliform nucleus
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http://www.medilexicon.com/medicaldictionary.php?t=28525

Embolus: Something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli are a detached blood clot, a clump of bacteria, and foreign material such as air. 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)...
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http://www.medterms.com/script/main/art.asp?articlekey=3224

a blood clot
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http://www.ruf.rice.edu/~kemmer/Words04/usage/jargon_medical.html

[
n] - an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood
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http://www.webdictionary.co.uk/definition.php?query=embolus

The structure, in the male palp, containing the terminal part of the ejaculatory duct and its opening. It may be very small, or long, whip-like or coiled and is sometimes divided into several structures.
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http://www.xs4all.nl/~ednieuw/Spiders/Spiderglossary.htm

a particle usually of thrombus moving in the blood stream blocking an artery
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https://www.encyclo.co.uk/local/20903
noun an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood
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https://www.encyclo.co.uk/local/20974

A particle, such as a blood clot or an air bubble, in the blood stream.
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https://www.encyclo.co.uk/local/22233

undissolved material carried by the blood and impacted in some part of the vascular system, as thrombi or fragments of thrombi, tissue fragments, clumps of bacteria, protozoan parasites, fat globules, or gas bubbles.
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https://www.infoplease.com/dictionary/embolus

Also called embolism; a blood clot that forms in a blood vessel in one part of the body and travels to another part.
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https://www.texasheart.org/heart-health/heart-information-center/topics/a-z
No exact match found.