Definition of tagma in English:

tagma

nounPlural tagmata ˈtaɡməˈtæɡmə

Zoology

(in the bodies of arthropods and some other segmented animals) a morphologically distinct region, typically comprising several adjoining segments, such as the head, thorax, and abdomen of insects.
〔动〕（节肢动物和其他分节动物体上的）体区
Example sentencesExamples
- Ventral appendages suggest a different pattern of tagmosis, especially if tagmata are defined as zones of functional specialization, as is commonly the case when considering arthropod appendages.
- The distinct adult thorax and pygidia evident in some trilobites probably do deserve recognition as separate tagmata, but this may not be the case among all trilobites.
- The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.
- All hexapods have a body divided into three basic tagmata - head, thorax, and abdomen - and three pairs of thoracic legs.
- As defined by Collins, Dinocarids are bilaterally symmetrical arthropods with a body divided into two principal tagmata, recalling the prosoma and opisthosoma of chelicerates, and a non-mineralised cuticle.

Derivatives

tagmatize

verbˈtaɡmətʌɪzˈtæɡməˌtaɪz

[with object]

usually as adjective tagmatized

Zoology

Form tagmata in (the body of an arthropod or other segmented animal)
a sedentary polychaete with a tagmatized body
Example sentencesExamples
- Later, the thoracic portion became segmented, or tagmatized, and this is considered the most significant evolution of the malacostracan class.
- The result of such precise spatial and temporal regulation is a complex exoskeleton that is tagmatized into functional zones.

Origin

Early 20th century: from Greek, literally 'something arranged', from tassein 'set in order'.

Definition of tagma in US English:

tagma

nounˈtaɡməˈtæɡmə

Zoology

(in the bodies of arthropods and some other segmented animals) a morphologically distinct region, typically comprising several adjoining segments, such as the head, thorax, and abdomen of insects.
〔动〕（节肢动物和其他分节动物体上的）体区
Example sentencesExamples
- Ventral appendages suggest a different pattern of tagmosis, especially if tagmata are defined as zones of functional specialization, as is commonly the case when considering arthropod appendages.
- The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.
- All hexapods have a body divided into three basic tagmata - head, thorax, and abdomen - and three pairs of thoracic legs.
- The distinct adult thorax and pygidia evident in some trilobites probably do deserve recognition as separate tagmata, but this may not be the case among all trilobites.
- As defined by Collins, Dinocarids are bilaterally symmetrical arthropods with a body divided into two principal tagmata, recalling the prosoma and opisthosoma of chelicerates, and a non-mineralised cuticle.

Origin

Early 20th century: from Greek, literally ‘something arranged’, from tassein ‘set in order’.

词汇	tagma
释义	Definition of tagma in English: tagma nounPlural tagmata ˈtaɡməˈtæɡmə Zoology (in the bodies of arthropods and some other segmented animals) a morphologically distinct region, typically comprising several adjoining segments, such as the head, thorax, and abdomen of insects. 〔动〕（节肢动物和其他分节动物体上的）体区 Example sentencesExamples Ventral appendages suggest a different pattern of tagmosis, especially if tagmata are defined as zones of functional specialization, as is commonly the case when considering arthropod appendages. The distinct adult thorax and pygidia evident in some trilobites probably do deserve recognition as separate tagmata, but this may not be the case among all trilobites. The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma. All hexapods have a body divided into three basic tagmata - head, thorax, and abdomen - and three pairs of thoracic legs. As defined by Collins, Dinocarids are bilaterally symmetrical arthropods with a body divided into two principal tagmata, recalling the prosoma and opisthosoma of chelicerates, and a non-mineralised cuticle. Derivatives tagmatize verbˈtaɡmətʌɪzˈtæɡməˌtaɪz [with object]usually as adjective tagmatizedZoology Form tagmata in (the body of an arthropod or other segmented animal) a sedentary polychaete with a tagmatized body Example sentencesExamples Later, the thoracic portion became segmented, or tagmatized, and this is considered the most significant evolution of the malacostracan class. The result of such precise spatial and temporal regulation is a complex exoskeleton that is tagmatized into functional zones. Origin Early 20th century: from Greek, literally 'something arranged', from tassein 'set in order'. Definition of tagma in US English: tagma nounˈtaɡməˈtæɡmə Zoology (in the bodies of arthropods and some other segmented animals) a morphologically distinct region, typically comprising several adjoining segments, such as the head, thorax, and abdomen of insects. 〔动〕（节肢动物和其他分节动物体上的）体区 Example sentencesExamples Ventral appendages suggest a different pattern of tagmosis, especially if tagmata are defined as zones of functional specialization, as is commonly the case when considering arthropod appendages. The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma. All hexapods have a body divided into three basic tagmata - head, thorax, and abdomen - and three pairs of thoracic legs. The distinct adult thorax and pygidia evident in some trilobites probably do deserve recognition as separate tagmata, but this may not be the case among all trilobites. As defined by Collins, Dinocarids are bilaterally symmetrical arthropods with a body divided into two principal tagmata, recalling the prosoma and opisthosoma of chelicerates, and a non-mineralised cuticle. Origin Early 20th century: from Greek, literally ‘something arranged’, from tassein ‘set in order’.
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