Definition of Sipuncula in English:

Sipuncula

plural noun sʌɪˈpʌŋkjʊləsīˈpəNGkyələ

Zoology

A small phylum that comprises the peanut worms. Also called Sipunculida.
〔动〕星虫。亦称SIPUNCULIDA
Example sentencesExamples
- Comparison of both the inferred amino acid sequences and the gene arrangements of a variety of diverse metazoan taxa reveals that the phylum Sipuncula is more closely related to Annelida than to Mollusca.
- The phylum Sipuncula (acorn worms) has been considered allied to the molluscs on the basis of a pattern of cells in early spiral cleavage of the embryo, known as the molluscan cross.

Derivatives

sipunculan

adjective & noun

Zoology

The position and composition of the cells suggests that they are homologous to the gliointerstitial cell system of molluscs, sipunculans, annelids echiurans.
Example sentencesExamples
- In echiurans, sipunculans and in most polychaete annelids at least portions of the coelomic lining form the somatic and visceral musculature.
- Although mollusks, annelids, brachiopods, and sipunculans are closely related, the relationships between them are not well resolved.
- Morphology places sipunculans with annelids and molluscs, and their mitochondrial genes relate them to annelids.
- Siboglinids, echiurids, myzostomids, and sipunculans, are four taxa with enigmatic evolutionary origins.

sipunculid

adjective & noun

Zoology

The plesiomorphic nature of myoepithelial organization of the body wall musculature is evident in adult annelids, echiurans, and sipunculids.
Example sentencesExamples
- At least for certain sipunculids, however, circular muscles are reportedly derived from the ectomesenchyme.

Origin

Modern Latin (plural), from Sipunculus (genus name), based on a variant of Latin siphunculus 'small tube'.

Definition of Sipuncula in US English:

Sipuncula

plural nounsīˈpəNGkyələ

Zoology

A small phylum that comprises the peanut worms.
〔动〕星虫。亦称SIPUNCULIDA
Example sentencesExamples
- The phylum Sipuncula (acorn worms) has been considered allied to the molluscs on the basis of a pattern of cells in early spiral cleavage of the embryo, known as the molluscan cross.
- Comparison of both the inferred amino acid sequences and the gene arrangements of a variety of diverse metazoan taxa reveals that the phylum Sipuncula is more closely related to Annelida than to Mollusca.

Origin

Modern Latin (plural), from Sipunculus (genus name), based on a variant of Latin siphunculus ‘small tube’.

单词	Sipuncula
释义	Definition of Sipuncula in English: Sipuncula plural noun sʌɪˈpʌŋkjʊləsīˈpəNGkyələ Zoology A small phylum that comprises the peanut worms. Also called Sipunculida. 〔动〕星虫。亦称SIPUNCULIDA Example sentencesExamples Comparison of both the inferred amino acid sequences and the gene arrangements of a variety of diverse metazoan taxa reveals that the phylum Sipuncula is more closely related to Annelida than to Mollusca. The phylum Sipuncula (acorn worms) has been considered allied to the molluscs on the basis of a pattern of cells in early spiral cleavage of the embryo, known as the molluscan cross. Derivatives sipunculan adjective & noun Zoology The position and composition of the cells suggests that they are homologous to the gliointerstitial cell system of molluscs, sipunculans, annelids echiurans. Example sentencesExamples In echiurans, sipunculans and in most polychaete annelids at least portions of the coelomic lining form the somatic and visceral musculature. Although mollusks, annelids, brachiopods, and sipunculans are closely related, the relationships between them are not well resolved. Morphology places sipunculans with annelids and molluscs, and their mitochondrial genes relate them to annelids. Siboglinids, echiurids, myzostomids, and sipunculans, are four taxa with enigmatic evolutionary origins. sipunculid adjective & noun Zoology The plesiomorphic nature of myoepithelial organization of the body wall musculature is evident in adult annelids, echiurans, and sipunculids. Example sentencesExamples At least for certain sipunculids, however, circular muscles are reportedly derived from the ectomesenchyme. Origin Modern Latin (plural), from Sipunculus (genus name), based on a variant of Latin siphunculus 'small tube'. Definition of Sipuncula in US English: Sipuncula plural nounsīˈpəNGkyələ Zoology A small phylum that comprises the peanut worms. 〔动〕星虫。亦称SIPUNCULIDA Example sentencesExamples The phylum Sipuncula (acorn worms) has been considered allied to the molluscs on the basis of a pattern of cells in early spiral cleavage of the embryo, known as the molluscan cross. Comparison of both the inferred amino acid sequences and the gene arrangements of a variety of diverse metazoan taxa reveals that the phylum Sipuncula is more closely related to Annelida than to Mollusca. Origin Modern Latin (plural), from Sipunculus (genus name), based on a variant of Latin siphunculus ‘small tube’.
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