Definition of Hemichordata in English:

Hemichordata

plural noun ˌhɛmɪkɔːˈdeɪtəˌheməkôrˈdādä

Zoology

A small phylum of marine invertebrates that comprises the acorn worms.
〔动〕半索动物门
Example sentencesExamples
- The superphyla Deuterostomia (e.g., Chordata, Echinodermata, Hemichordata) and Protostomia each appear to have evolved from an ancestor with a coelomic body cavity.
- Another of Ax's hypotheses concerns the Hemichordata.
- Deuterostomia are a major group of metazoans composed of three phyla: Chordata, Hemichordata, and Echinodermata.
- The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata.
- Metamorphosis in the acorn worms (Hemichordata, Enteropneusta) includes retention of the entire larval body, which sheds feeding and propulsory cilia and undergoes definitive shape changes.

Origin

Modern Latin (see hemi-, Chordata).

Definition of Hemichordata in US English:

Hemichordata

plural nounˌheməkôrˈdādä

Zoology

A small phylum of marine invertebrates that comprises the acorn worms.
〔动〕半索动物门
Example sentencesExamples
- The superphyla Deuterostomia (e.g., Chordata, Echinodermata, Hemichordata) and Protostomia each appear to have evolved from an ancestor with a coelomic body cavity.
- Another of Ax's hypotheses concerns the Hemichordata.
- The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata.
- Metamorphosis in the acorn worms (Hemichordata, Enteropneusta) includes retention of the entire larval body, which sheds feeding and propulsory cilia and undergoes definitive shape changes.
- Deuterostomia are a major group of metazoans composed of three phyla: Chordata, Hemichordata, and Echinodermata.

Origin

Modern Latin (see hemi-, Chordata).

词汇	Hemichordata
释义	Definition of Hemichordata in English: Hemichordata plural noun ˌhɛmɪkɔːˈdeɪtəˌheməkôrˈdādä Zoology A small phylum of marine invertebrates that comprises the acorn worms. 〔动〕半索动物门 Example sentencesExamples The superphyla Deuterostomia (e.g., Chordata, Echinodermata, Hemichordata) and Protostomia each appear to have evolved from an ancestor with a coelomic body cavity. Another of Ax's hypotheses concerns the Hemichordata. Deuterostomia are a major group of metazoans composed of three phyla: Chordata, Hemichordata, and Echinodermata. The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata. Metamorphosis in the acorn worms (Hemichordata, Enteropneusta) includes retention of the entire larval body, which sheds feeding and propulsory cilia and undergoes definitive shape changes. Origin Modern Latin (see hemi-, Chordata). Definition of Hemichordata in US English: Hemichordata plural nounˌheməkôrˈdādä Zoology A small phylum of marine invertebrates that comprises the acorn worms. 〔动〕半索动物门 Example sentencesExamples The superphyla Deuterostomia (e.g., Chordata, Echinodermata, Hemichordata) and Protostomia each appear to have evolved from an ancestor with a coelomic body cavity. Another of Ax's hypotheses concerns the Hemichordata. The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata. Metamorphosis in the acorn worms (Hemichordata, Enteropneusta) includes retention of the entire larval body, which sheds feeding and propulsory cilia and undergoes definitive shape changes. Deuterostomia are a major group of metazoans composed of three phyla: Chordata, Hemichordata, and Echinodermata. Origin Modern Latin (see hemi-, Chordata).
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