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词汇 zooxanthella
释义

Definition of zooxanthella in English:

zooxanthella

nounPlural zooxanthellae ˌzuːə(ʊ)zanˈθɛləˌzəʊəzanˈθɛləˌzōəzanˈTHelə
Biology
  • A yellowish-brown symbiotic dinoflagellate present in large numbers in the cytoplasm of many marine invertebrates.

    〔生〕动物黄藻,虫黄藻

    Example sentencesExamples
    • The zooxanthellae in these corals are dinoflagellates, and it is suspected that there may be a relationship between their diversifications.
    • It is not known whether rugose corals had symbiotic photosymbiotic zooxanthellae as modern corals do.
    • Both coral and sponge were sparse, and the former largely without color - giving symbiotic zooxanthellae.
    • These zooxanthellae may be found in many marine invertebrates, including sponges, corals, jellyfish, and flatworms, as well as within protists, such as ciliates, foraminiferans, and colonial radiolarians.
    • The plants are tiny single-celled algae, the zooxanthellae or symbiotic dinoflagellates, that live within the tissues of corals in great numbers.

Derivatives

  • zooxanthellate

  • adjective
    Biology
    • In any case, most if not all Triassic scleractinians, whether zooxanthellate or not, show skeletal construction different from modern (strictly post-Cretaceous) equivalents.
      Example sentencesExamples
      • A total of 41 species of zooxanthellate corals were recovered from the unit, including 21 new records.
      • Based on corallite configuration, growth form and analogy with Acropora, Blastozopsammia had a relatively high degree of colony integration and may have been zooxanthellate.
      • The specific identity of endosymbiotic dinoflagellates (Symbiodinium spp.) from most zooxanthellate corals is unknown.
      • New collections from the Tamana Formation in Trinidad contain 41 species of zooxanthellate corals.

Origin

Late 19th century: modern Latin, from zoo- 'of animals' + Greek xanthos 'yellow' + the diminutive suffix -ella.

Definition of zooxanthella in US English:

zooxanthella

nounˌzōəzanˈTHelə
Biology
  • A yellowish-brown symbiotic dinoflagellate present in large numbers in the cytoplasm of many marine invertebrates.

    〔生〕动物黄藻,虫黄藻

    Example sentencesExamples
    • The plants are tiny single-celled algae, the zooxanthellae or symbiotic dinoflagellates, that live within the tissues of corals in great numbers.
    • It is not known whether rugose corals had symbiotic photosymbiotic zooxanthellae as modern corals do.
    • Both coral and sponge were sparse, and the former largely without color - giving symbiotic zooxanthellae.
    • These zooxanthellae may be found in many marine invertebrates, including sponges, corals, jellyfish, and flatworms, as well as within protists, such as ciliates, foraminiferans, and colonial radiolarians.
    • The zooxanthellae in these corals are dinoflagellates, and it is suspected that there may be a relationship between their diversifications.

Origin

Late 19th century: modern Latin, from zoo- ‘of animals’ + Greek xanthos ‘yellow’ + the diminutive suffix -ella.

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