Definition of Orthonectida in English:

Orthonectida

plural noun ˌɔːθə(ʊ)ˈnɛktɪdəˌôrTHəˈnektidə

Zoology

A minor phylum of mesozoan worms which are internal parasites of a range of marine invertebrates.
〔动〕直泳门
Example sentencesExamples
- As it turns out, the Orthonectida are almost certainly metazoans, particularly under our stem group definition; but it's anyone's guess whether they, or any other members of the mysterious Mesozoa, are also bilaterians.
- They are now believed to be made up of two, possibly unrelated, groups: the Dicyemida and Orthonectida.

Derivatives

orthonectid

noun & adjective

Zoology

In some orthonectids, circular and longitudinal muscles occur beneath the epidermis.

Origin

Modern Latin (plural), from Greek orthos 'straight' + nektos 'swimming' (see nekton).

Definition of Orthonectida in US English:

Orthonectida

plural nounˌôrTHəˈnektidə

Zoology

A minor phylum of mesozoan worms which are internal parasites of a range of marine invertebrates.
〔动〕直泳门
Example sentencesExamples
- As it turns out, the Orthonectida are almost certainly metazoans, particularly under our stem group definition; but it's anyone's guess whether they, or any other members of the mysterious Mesozoa, are also bilaterians.
- They are now believed to be made up of two, possibly unrelated, groups: the Dicyemida and Orthonectida.

Origin

Modern Latin (plural), from Greek orthos ‘straight’ + nektos ‘swimming’ (see nekton).

词汇	Orthonectida
释义	Definition of Orthonectida in English: Orthonectida plural noun ˌɔːθə(ʊ)ˈnɛktɪdəˌôrTHəˈnektidə Zoology A minor phylum of mesozoan worms which are internal parasites of a range of marine invertebrates. 〔动〕直泳门 Example sentencesExamples As it turns out, the Orthonectida are almost certainly metazoans, particularly under our stem group definition; but it's anyone's guess whether they, or any other members of the mysterious Mesozoa, are also bilaterians. They are now believed to be made up of two, possibly unrelated, groups: the Dicyemida and Orthonectida. Derivatives orthonectid noun & adjective Zoology In some orthonectids, circular and longitudinal muscles occur beneath the epidermis. Origin Modern Latin (plural), from Greek orthos 'straight' + nektos 'swimming' (see nekton). Definition of Orthonectida in US English: Orthonectida plural nounˌôrTHəˈnektidə Zoology A minor phylum of mesozoan worms which are internal parasites of a range of marine invertebrates. 〔动〕直泳门 Example sentencesExamples As it turns out, the Orthonectida are almost certainly metazoans, particularly under our stem group definition; but it's anyone's guess whether they, or any other members of the mysterious Mesozoa, are also bilaterians. They are now believed to be made up of two, possibly unrelated, groups: the Dicyemida and Orthonectida. Origin Modern Latin (plural), from Greek orthos ‘straight’ + nektos ‘swimming’ (see nekton).
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