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The scientific study of parasitic worms.

hel′min·thol′o·gist n.
References in periodicals archive ?
In his past search for parasitic worms in birds, Natterer had studied helminthology at the Naturalien-Cabinete of Vienna's Hofmuseum under the supervision of Johann Gottfried Bremser (1767-1827), a physician and helminthologist. Natterer was fascinated by Brazil and stayed abroad for 18 years.
In 1877, Joseph Bancroft in Australia found adult worm but the life history of the worm still eluded the helminthologists of that time.