Definition, Meaning & Synonyms

metamere

Noun

ˈmɛtəˌmɪr

Definition

A segment of an organism’s body that is repeated as part of its structure, typically seen in segmented animals.

Examples

In many arthropods, such as insects and spiders, the body is divided into distinct metameres.
During embryonic development, the segmentation of the body into metameres is vital for proper formation.
Segmented worms like earthworms exhibit clear metameres across their body.

Meaning

Metameres refer to the repetition of similar anatomical units in the body structure of certain organisms, particularly in invertebrates and vertebrates.