metamere

/ˈmɛtəˌmɪr/
noun
  1. One of a series of similar body segments arranged along the length of an animal, such as the segments of an earthworm or the body segments of an insect.
    • The lobster's body is made up of a series of metameres, each with a pair of legs.
    • Each metamere of the earthworm contains its own set of muscles and nerves.
    • In biology class, we studied how a metamere repeats along the body of a centipede.