larva migrans

[mīgrănz′]
n. pl. larvae mi•gran•tes (mī-grăntēz′)
  1. A larval worm, typically a nematode, that wanders in the host tissues but does not develop to the adult stage.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.