nematode nematode  /ˈnɛ mə ˌtoʊd/


  • (n) unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic



  1. By repeated sampling, biologists estimate that as few as 10% of the different kinds of insects, nematode worms and fungi have been discovered.
  2. In the Pacific it is contracted from the bite of a mosquito, which deposits microscopic juvenile forms of a nematode, Wuchereria bancrofti, in the skin.
  3. After locating three other nematode clock genes, Hekimi went looking for similar ones in people.


  • Columnist: New approach to determining scale of nematodes in corn

    Many different species of plant-parasitic nematodes occur in cornfields throughout the Midwest. Most of these microscopic, parasitic worms must reach a damage threshold number before they cause yield loss in corn, according to a report by Gregory L.
    on June 29, 2013     Source: The Fort Morgan Times

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  1. "Since the discovery that microRNAs control specific cell divisions in the nematode C. elegans, I have wondered if there might be a relationship between microRNAs and human cancer," said H. Robert Horvitz, co-author and David H. Koch Professor...
    on Jun 9, 2005 By: Robert Horvitz Source: EurekAlert (press release)

  2. "Golden nematodes were found in Alberta recently. They need to take the same steps we took in Idaho when we found the potato cyst nematode," Muir said. "That means completing a survey and traceback to find out how widespread the pests are. We...
    on Dec 19, 2007 By: Frank Muir Source: Capital Press (subscription)

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