| 词汇 | nematode |
| 释义 | nematode noun[ C ] biology specializeduk /ˈnemətəʊd/ us /ˈnemətoʊd/ a thin worm that is not divided into sections线虫 Dr_Microbe/iStock/Getty Images Plus/GettyImages Worms, snails, slugs & similar animals annelid centipede earthworm echinococcus escargot fluke gastropod hookworm leech limacine millipede minibeast pill bug roly-poly roundworm slug snail woodlouse worm Examples of nematodenematode The distribution of different classes of helminths included nematodes, followed by trematodes and cestodes in all host species. The highest number of different nematode species were found in sparrowhawks. Using these methods, the resistance status of parasite populations can be analysed by testing representative numbers of individual nematode larvae or adults. Identification of nematode secretions suitable for the plantibody approach to engineered resistance in plants. Thus, locally indigenous nematodes should be easily found for biocontrol programmes in the region. This swelling and loss of cuticle indicates that recovery has begun and that the nematode will soon begin to feed. There were a total of 6657 individuals exclusive of turbellarians, larval nematodes, metacercariae and larval cestodes. Understanding chronic nematode infections : evolutionary considerations, current hypotheses and the way forward. The three selected species of fungi produce three-dimensional adhesive nets in the presence of nematodes. This result implies that rather complex mechanisms might be involved for cover crops or soil amendments in controlling plant-parasitic nematodes, which definitely need further investigation. Man between 1995 and 1997, may account for some of the differences in nematode densities between treatments between seasons during this period. In the lowland rice experiment (2) no differences in nematode population densities were recorded between treatments, although densities were relatively low over both years. Cuticular detachment is likely to influence the physiology of the nematodes, including development of eggs and juveniles. The location of these nematodes perhaps provides circumstantial evidence for the occurrence of vertical transmission. The widespread use of such programmes may lead to the selection of drug-resistant strains of gastrointestinal nematodes. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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