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单词 digenean
释义

Definition of digenean in English:

digenean

adjective dʌɪˈdʒɛnɪənˌdʌɪdʒɪˈniːəndīˈjēnēən
Zoology
  • Relating to a group of flukes which are internal parasites needing two to four hosts to complete their life cycle.

    复殖亚纲的。比较MONOGENEAN

    Compare with monogenean
    Example sentencesExamples
    • We have recently reported a study of the digenean intestinal parasites of 956 eels captured in the estuarine bays of Arousa and Ferrol in the northwest Iberian Peninsula.
    • Nevertheless, the snail and digenean phylogenies do not appear congruent, implying that host switching occurs on evolutionary but not ecological timescales.
    • These results indicate that only seventeen out of the 150 or so digenean families are reported in the deep sea.
    • The present study demonstrates that digenean parasites induce population structure changes and shorten lifespan of mudsnails, through increasing size-dependent mortality.
    • It will be a major source of information in digenean taxonomy for the next several decades.
noun dʌɪˈdʒɛnɪənˌdʌɪdʒɪˈniːəndīˈjēnēən
Zoology
  • A digenean fluke; a trematode.

    复殖吸虫;吸虫

    Subclass Digenea, class Trematoda

    Example sentencesExamples
    • Occasionally the eggs of some digeneans may also bear filaments, although these are more generally oval in shape, and brown in colour due to quinone-tanning of egg shell components.
    • Since only nonovigerous metacercariae were found in the molluscan host, the life cycle in Kuwait Bay conforms with the pattern in tropical waters, where the digenean reaches maturity in fishes.
    • In Chile, there are no records of these digeneans in any group of hosts.
    • This project is also linked with heavy metal toxicity studies, being carried out in our laboratory on the survival and infectivity of larval digeneans parasitising molluscan intermediate hosts.
    • Fifteen species of digeneans are reported from the waters off the islands of the Outer Hebrides, off north-western Scotland.

Origin

1960s: from modern Latin Digenea (from Greek di- 'twice' + genea 'generation, race') + -an.

Definition of digenean in US English:

digenean

adjectivedīˈjēnēən
Zoology
  • Relating to a group of flukes which are internal parasites needing two to four hosts to complete their life cycle.

    复殖亚纲的。比较MONOGENEAN

    Compare with monogenean
    Example sentencesExamples
    • Nevertheless, the snail and digenean phylogenies do not appear congruent, implying that host switching occurs on evolutionary but not ecological timescales.
    • It will be a major source of information in digenean taxonomy for the next several decades.
    • We have recently reported a study of the digenean intestinal parasites of 956 eels captured in the estuarine bays of Arousa and Ferrol in the northwest Iberian Peninsula.
    • The present study demonstrates that digenean parasites induce population structure changes and shorten lifespan of mudsnails, through increasing size-dependent mortality.
    • These results indicate that only seventeen out of the 150 or so digenean families are reported in the deep sea.
noundīˈjēnēən
Zoology
  • A digenean fluke; a trematode.

    复殖吸虫;吸虫

    Subclass Digenea, class Trematoda

    Example sentencesExamples
    • Occasionally the eggs of some digeneans may also bear filaments, although these are more generally oval in shape, and brown in colour due to quinone-tanning of egg shell components.
    • This project is also linked with heavy metal toxicity studies, being carried out in our laboratory on the survival and infectivity of larval digeneans parasitising molluscan intermediate hosts.
    • Since only nonovigerous metacercariae were found in the molluscan host, the life cycle in Kuwait Bay conforms with the pattern in tropical waters, where the digenean reaches maturity in fishes.
    • In Chile, there are no records of these digeneans in any group of hosts.
    • Fifteen species of digeneans are reported from the waters off the islands of the Outer Hebrides, off north-western Scotland.

Origin

1960s: from modern Latin Digenea (from Greek di- ‘twice’ + genea ‘generation, race’) + -an.

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更新时间:2024/9/21 13:57:09