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Loa loa

[lō′ə lō′ə]
n.
  1. A threadlike worm, a species of the family Onchocercidae indigenous to the western part of equatorial Africa. It is the causative agent of loiasis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.