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单词 Cnidaria
释义

Definition of Cnidaria in English:

Cnidaria

plural noun (k)nʌɪˈdɛːrɪənīdˈerēə
Zoology
  • A phylum of aquatic invertebrate animals that comprises the coelenterates.

    〔动〕刺胞动物门

    Example sentencesExamples
    • Despite these attempts, relationships among Bilateria, Cnidaria, Ctenophora, Placozoa, and Porifera remain obscure.
    • The phylum Cnidaria comprises approximately 10,000 species of tentacle bearing aquatic animals.
    • Four phyla (Placozoa, Porifera, Cnidaria, and Ctenophora) are typically thought to have an ancient origin within Metazoa.
    • In any case, there is molecular evidence to suggest that the Anthozoa are the earliest branch of the phylum Cnidaria.
    • By this usage, the basal metazoans comprise just four phyla (Placozoa, Porifera, Cnidaria, and Ctenophora) and the large clade Bilateria.
    • Jellyfish belong to one of the oldest extant animal phyla, the Cnidaria.
    • Sea anemones (Phylum Cnidaria; Class Anthozoa, Order Actiniaria) exhibit a diversity of developmental patterns that include cloning by fission.
    • Actually, there are a number of topologically reasonable ways to create an inner compartment, and most can be found within the embryological diversity of the Cnidaria and Ctenophora.
    • The Cnidaria and Ctenophora are grouped together by some workers as the Coelenterata.
    • Members of the phylum Cnidaria, these animals have capsule-shaped cells with a trapdoor-like lid, containing a stinging nematocyst.

Origin

Modern Latin (plural), from Greek knidē 'nettle'.

Definition of Cnidaria in US English:

Cnidaria

plural nounnīdˈerēə
Zoology
  • A phylum of aquatic invertebrate animals that comprises the coelenterates.

    〔动〕刺胞动物门

    Example sentencesExamples
    • Jellyfish belong to one of the oldest extant animal phyla, the Cnidaria.
    • Sea anemones (Phylum Cnidaria; Class Anthozoa, Order Actiniaria) exhibit a diversity of developmental patterns that include cloning by fission.
    • Four phyla (Placozoa, Porifera, Cnidaria, and Ctenophora) are typically thought to have an ancient origin within Metazoa.
    • Members of the phylum Cnidaria, these animals have capsule-shaped cells with a trapdoor-like lid, containing a stinging nematocyst.
    • By this usage, the basal metazoans comprise just four phyla (Placozoa, Porifera, Cnidaria, and Ctenophora) and the large clade Bilateria.
    • In any case, there is molecular evidence to suggest that the Anthozoa are the earliest branch of the phylum Cnidaria.
    • Actually, there are a number of topologically reasonable ways to create an inner compartment, and most can be found within the embryological diversity of the Cnidaria and Ctenophora.
    • The phylum Cnidaria comprises approximately 10,000 species of tentacle bearing aquatic animals.
    • The Cnidaria and Ctenophora are grouped together by some workers as the Coelenterata.
    • Despite these attempts, relationships among Bilateria, Cnidaria, Ctenophora, Placozoa, and Porifera remain obscure.

Origin

Modern Latin (plural), from Greek knidē ‘nettle’.

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更新时间:2024/10/19 13:28:26