necatoriasis

[nĭ-kā′tə-rīə-sĭs]
n.
  1. Infestation with the hookworm Necator americanus, whose adults attach to villi in the small intestine and suck blood, causing anemia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.