one of many two halves of bilaterally symmetrical animals one of any opposite shaped or homotypic components in pets and plants
- among two halves of bilaterally shaped pets; one of any opposing symmetrical or homotypic parts in animals and flowers.
(letter.) The two halves of bilaterally symmetrical animals; one of any other shaped or homotypic parts in animals and plants.
Each nerve-centre controls its own antimere or segment of the body, receiving sensory impressions from the tentaculocyst and innervating its special subdivision of the muscular system.