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nematode    音标拼音: [n'ɛmət,od]
n. 线虫类
a. 线虫类的

线虫类线虫类的

nematode
n 1: unsegmented worms with elongated rounded body pointed at
both ends; mostly free-living but some are parasitic [synonym:
{nematode}, {nematode worm}, {roundworm}]


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  • Nematode - Wikipedia
    Nematode eggs from the clades Ascaridina, Spirurina, and Trichocephalida have been discovered in coprolites from the Oligocene -aged Tremembé Formation, which represented a palaeolake in present-day São Paulo with a diverse fossil assemblage of birds, fish, and arthropods that lent itself to fostering high nematode diversity [48] Nematodes have also been found in various lagerstätten, such
  • Nematode | Definition, Description, Diseases, Facts | Britannica
    Nematode, any worm of the phylum Nematoda Nematodes are among the most abundant animals on Earth They occur as parasites in animals and plants or as free-living forms in soil, fresh water, marine environments, and even such unusual places as vinegar Learn more about nematodes, including the diseases they cause
  • Nematodes Explained: The Good, the Bad and the Harmful
    Plant-parasitic nematodes like the root-knot nematode cause an estimated $125 billion in global crop losses annually However, the damage caused by nematodes that infect humans is far worse Parasitic Nematodes in Humans Intestinal nematodes are estimated to affect 3 5 billion people worldwide and cause approximately 125,000 deaths per year
  • Nematodes - Examples, Characteristics, Anatomy, Life Cycle
    What are nematodes Where do they live What do they eat Learn their species, size, symmetry, reproduction life cycle with pictures
  • Nematodes - Cornell University
    Back to Pathogens Table of Contents Nematodes (Rhabditida: Steinernematidae Heterorhabditidae) By David I Shapiro-Ilan, USDA-ARS, SEFTNRL, Byron, GA Randy Gaugler, Department of Entomology, Rutgers University, New Brunswick New Jersey Nematodes are simple roundworms Colorless, unsegmented, and lacking appendages, nematodes may be free-living, predaceous, or parasitic Many of the
  • Introduction to Nematodes - UC Davis
    Nematode impact may be via plant-parasitism; fungal feeding by nematodes, resulting in destruction of mycorrhizae essential to forest growth; and above-ground parasitic nematode parasites vectored by insects, e g , pinewood nematode
  • Nematode - an overview | ScienceDirect Topics
    Most nematode groups possess a well-developed, well-defined digestive system It is the inner tube extending from the oral opening to the anus cloaca The digestive system is composed of three main parts: the stomodeum, mesenteron, and proctodeum The stomodeum consists of the stoma, esophagus, and cardia (esophago-intestinal junction)
  • Introduction to the Nematoda
    Introduction to the Nematoda the roundworms There are thousands of nematodes Not only are there more than 15,000 known species of roundworms, but there are many thousands of individual nematodes in even a single handful of garden soil And they keep coming! Some species of roundworm may contain more than 27 million eggs at one time and lay more than 200,000 of them in a single day Some
  • Beneficial Nematodes | Soil-Born Pest Control - ARBICO Organics
    Treat and control garden pests before they do damage Beneficial nematodes are a natural control for over 200 pests with a soil developing stage
  • The Nematode Life Cycle: From Egg to Adult - ScienceInsights
    Understand the universal progression from nematode egg to adult, and how environment determines if the cycle is simple or requires a host
  • Nematode Infection: Causes, Symptoms, and Prevention
    Explore the lifecycle of common nematode parasites and their impact on human health Learn about transmission pathways and the medical and personal steps for management





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