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tagma

Line breaks: tagma
Pronunciation: /ˈtaɡmə
 
/

Definition of tagma in English:

noun (plural tagmata /-mətə/)

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.
Example sentences
  • 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.

Origin

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

Derivatives

tagmatize

1
verb (also tagmatise)
Example sentences
  • 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.

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