embolus

  1. Noun.  (pathology) An obstruction causing an embolism: a blood clot, air bubble or other matter carried by the blood stream and causing a blockage or occlusion of a blood vessel.
  2. Noun.  (zoology) The structure on the end of the palp of male arachnids which contains the opening to the ejaculatory duct.

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This entry was last updated on RefTopia from its source on 3/20/2012.