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Any of the homologous segments that compose the bodies of certain animals; a somite.
met′a·mer′ic (-mĕr′ĭk, -mîr′-) adj.
(Zoology) one of the similar body segments into which earthworms, crayfish, and similar animals are divided longitudinally. Also called: somite
[C19: from meta- + -mere]
1. any of the longitudinal series of segments or parts into which the body of certain animals is divided; a metamere.
2. one of the thickened segments of tissue that occur in pairs along the back of the vertebrate embryo.
[1865–70; < Greek sôm(a) body]