antimere(redirected from antimerism)
Also found in: Medical, Encyclopedia.
A part or division in the body of a bilaterally or radially symmetric animal that corresponds to an opposite or similar part.
an′ti·mer′ic (-mĕr′ĭk) adj.
(Biology) a part or organ of a bilaterally or radially symmetrical organism that corresponds to a similar structure on the other side of the axis, such as the right or left limb of a four-legged animal. Also called: actinomere