Tagma

Pronunciation
/TAG-muh/
Category
Anatomy
Singular
Tagma
Plural
Tagmata

Definition

A specialized grouping of multiple segments or metameres into a coherently functional morphological unit in arthropods.

Etymology

From the Greek 'tagma', meaning 'something arranged or ordered'.

Example

In insects, the body is divided into three tagmata: the head, thorax, and abdomen.

Synonyms

  • Body region
  • Segmented unit

Related Terms

Usage Notes

Tagmata typically have specialized functions, such as sensory input in the head, locomotion in the thorax, and digestion in the abdomen of insects.