antimere

[ an-tuh-meer ]

noun

, Zoology.

1. a segment or division of the body having a corresponding segment or division that is opposite to it relative to the longitudinal axis of the body.
2. a similar part in a radially symmetrical animal.

antimere

/ ˌæntɪˈmɛrɪk; ˈæntɪˌmɪə; ænˈtɪməˌrɪzəm /

noun

1. 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 calledactinomere

Derived Forms

• antimeric, adjective
• antimerism, noun

Other Words From

• an·ti·mer·ic [an-t, uh, -, mer, -ik], adjective
• an·tim·er·ism [an-, tim, -, uh, -riz-, uh, m], noun

Word History and Origins

Origin of antimere¹

First recorded in 1875–80; anti- + -mere