单词 | nematode |
释义 | nematode (once / 103679 pages) n WORD FAMILY nematode: nematodes USAGE EXAMPLESBut it was shut down in 2010 after a nematode — a roundworm that lives on plants — was discovered that could threaten potato crops. Washington Times(Nov 05, 2016) Exciting gains are also on the horizon against plant diseases caused by fungi, bacteria and nematodes, the microscopic worms that feed on roots. Wall Street Journal(Oct 04, 2016) Wall focused at first on nematodes in deserts and arid croplands, conducting the bulk of her research in southern California, New Mexico and Michigan. Nature(Sep 12, 2016) n unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic Syn|Hypo|Hyper nematode worm, roundworm Ascaris lumbricoides, common roundworm intestinal parasite of humans and pigs Ascaridia galli, chicken roundwormintestinal parasite of domestic fowl Enterobius vermicularis, pinworm, threadwormsmall threadlike worm infesting human intestines and rectum especially in children eelwormany of various small free-living plant-parasitic roundworms Tylenchus tritici, wheat eel, wheat eelworm, wheatwormsmall roundworm parasitic on wheat Trichinella spiralis, trichinaparasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles hookwormparasitic bloodsucking roundworms having hooked mouth parts to fasten to the intestinal wall of human and other hosts filariaslender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects Dracunculus medinensis, Guinea wormparasitic roundworm of India and Africa that lives in the abdomen or beneath the skin of humans and other vertebrates Anguillula aceti, Turbatrix aceti, vinegar eel, vinegar wormminute eelworm that feeds on organisms that cause fermentation in e.g. vinegar worm any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae |
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