Definition of pygidium in English:

pygidium

nounPlural pygidia pʌɪˈdʒɪdɪəmpʌɪˈɡɪdɪəmpīˈjidēəm

Zoology

The terminal part or hind segment of the body in certain invertebrates.
〔动〕尾（部），尾节，尾板；臀板
Example sentencesExamples
- The pygidium, like the cephalon, was a structure in which segments were fused together.
- A pygidium with an attached thoracic segment represents a meraspid stage of the species.
- By contrast, some representatives of the Olenelloidea have pygidia with multiple segments.
- The post-segmental posterior terminus is called the pygidium.
- As noted above, it closely resembles the syntype pygidium of E. acadicus, and is tentatively assigned to that species.

Origin

Mid 19th century: modern Latin, from Greek pugē 'rump'.

Definition of pygidium in US English:

pygidium

nounpīˈjidēəm

Zoology

The terminal part or hind segment of the body in certain invertebrates.
〔动〕尾（部），尾节，尾板；臀板
Example sentencesExamples
- The pygidium, like the cephalon, was a structure in which segments were fused together.
- As noted above, it closely resembles the syntype pygidium of E. acadicus, and is tentatively assigned to that species.
- A pygidium with an attached thoracic segment represents a meraspid stage of the species.
- The post-segmental posterior terminus is called the pygidium.
- By contrast, some representatives of the Olenelloidea have pygidia with multiple segments.

Origin

Mid 19th century: modern Latin, from Greek pugē ‘rump’.

词汇	pygidium
释义	Definition of pygidium in English: pygidium nounPlural pygidia pʌɪˈdʒɪdɪəmpʌɪˈɡɪdɪəmpīˈjidēəm Zoology The terminal part or hind segment of the body in certain invertebrates. 〔动〕尾（部），尾节，尾板；臀板 Example sentencesExamples The pygidium, like the cephalon, was a structure in which segments were fused together. A pygidium with an attached thoracic segment represents a meraspid stage of the species. By contrast, some representatives of the Olenelloidea have pygidia with multiple segments. The post-segmental posterior terminus is called the pygidium. As noted above, it closely resembles the syntype pygidium of E. acadicus, and is tentatively assigned to that species. Origin Mid 19th century: modern Latin, from Greek pugē 'rump'. Definition of pygidium in US English: pygidium nounpīˈjidēəm Zoology The terminal part or hind segment of the body in certain invertebrates. 〔动〕尾（部），尾节，尾板；臀板 Example sentencesExamples The pygidium, like the cephalon, was a structure in which segments were fused together. As noted above, it closely resembles the syntype pygidium of E. acadicus, and is tentatively assigned to that species. A pygidium with an attached thoracic segment represents a meraspid stage of the species. The post-segmental posterior terminus is called the pygidium. By contrast, some representatives of the Olenelloidea have pygidia with multiple segments. Origin Mid 19th century: modern Latin, from Greek pugē ‘rump’.
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