tagma
/ˈtaɡmə
/noun (plural tagmata /ˈtaɡmətə/) 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.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....
- 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.
Derivatives
tagmatize
- The result of such precise spatial and temporal regulation is a complex exoskeleton that is tagmatized into functional zones.
- Later, the thoracic portion became segmented, or tagmatized, and this is considered the most significant evolution of the malacostracan class.
- Later, the thoracic portion became segmented, or tagmatized, and this is considered the most significant evolution of the malacostracan class.
Origin
Early 20th century: from Greek, literally 'something arranged', from tassein 'set in order'.
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