antimere

/ˈæntɪˌmɪr/
noun
  1. A part or segment of an organism that is symmetrical to another part, especially on opposite sides of a central axis.
    • The biologist explained that the left and right halves of a human body are antimeres.
    • In a starfish, each arm is an antimere of the others around the central disk.
    • Each antimere of the jellyfish contains a complete set of sensory organs.
Synonyms
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