Definition of Platyhelminthes in English:

Platyhelminthes

plural nounˌplatɪhɛlˈmɪnθiːzˌpladēhelˈminTHēz

Zoology

A phylum of invertebrates that comprises the flatworms.
〔动〕扁形动物门
Example sentencesExamples
- However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch).
- The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms.
- For example, both the Nematoda and Platyhelminthes contain obligate parasites as well as free-living species.
- Like other members of the phylum Platyhelminthes, those of the class Turbellaria are dorsoventrally compressed, with high surface area to volume ratios.
- Frontal glands have been cited in the classical literature as probable homologues of Platyhelminthes and nemerteans.

Origin

Modern Latin (plural), from platy- 'flat' + Greek helminth 'worm'.

Definition of Platyhelminthes in US English:

Platyhelminthes

plural nounˌpladēhelˈminTHēz

Zoology

A phylum of invertebrates that comprises the flatworms.
〔动〕扁形动物门
Example sentencesExamples
- The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms.
- For example, both the Nematoda and Platyhelminthes contain obligate parasites as well as free-living species.
- Like other members of the phylum Platyhelminthes, those of the class Turbellaria are dorsoventrally compressed, with high surface area to volume ratios.
- However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch).
- Frontal glands have been cited in the classical literature as probable homologues of Platyhelminthes and nemerteans.

Origin

Modern Latin (plural), from platy- ‘flat’ + Greek helminth ‘worm’.

词汇	Platyhelminthes
释义	Definition of Platyhelminthes in English: Platyhelminthes plural nounˌplatɪhɛlˈmɪnθiːzˌpladēhelˈminTHēz Zoology A phylum of invertebrates that comprises the flatworms. 〔动〕扁形动物门 Example sentencesExamples However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch). The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms. For example, both the Nematoda and Platyhelminthes contain obligate parasites as well as free-living species. Like other members of the phylum Platyhelminthes, those of the class Turbellaria are dorsoventrally compressed, with high surface area to volume ratios. Frontal glands have been cited in the classical literature as probable homologues of Platyhelminthes and nemerteans. Origin Modern Latin (plural), from platy- 'flat' + Greek helminth 'worm'. Definition of Platyhelminthes in US English: Platyhelminthes plural nounˌpladēhelˈminTHēz Zoology A phylum of invertebrates that comprises the flatworms. 〔动〕扁形动物门 Example sentencesExamples The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms. For example, both the Nematoda and Platyhelminthes contain obligate parasites as well as free-living species. Like other members of the phylum Platyhelminthes, those of the class Turbellaria are dorsoventrally compressed, with high surface area to volume ratios. However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch). Frontal glands have been cited in the classical literature as probable homologues of Platyhelminthes and nemerteans. Origin Modern Latin (plural), from platy- ‘flat’ + Greek helminth ‘worm’.
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